div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails12jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 13button div class=ts-image amp-img class=ts-thumb alt=Page 13: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails13jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 14button div class=ts-image amp-img class=ts-thumb alt=Page 14: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails14jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 15button div class=ts-image amp-img class=ts-thumb alt=Page 15: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails15jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 16button div class=ts-image amp-img class=ts-thumb alt=Page 16: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails16jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 17button div class=ts-image amp-img class=ts-thumb alt=Page 17: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails17jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 18button div class=ts-image amp-img class=ts-thumb alt=Page 18: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails18jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 19button div class=ts-image amp-img class=ts-thumb alt=Page 19: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails19jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 20button div class=ts-image amp-img class=ts-thumb alt=Page 20: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails20jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 21button div class=ts-image amp-img class=ts-thumb alt=Page 21: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails21jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 22button div class=ts-image amp-img class=ts-thumb alt=Page 22: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails22jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 23button div class=ts-image amp-img class=ts-thumb alt=Page 23: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails23jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 24button div class=ts-image amp-img class=ts-thumb alt=Page 24: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails24jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 25button div class=ts-image amp-img class=ts-thumb alt=Page 25: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails25jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 26button div class=ts-image amp-img class=ts-thumb alt=Page 26: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails26jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 27button div class=ts-image amp-img class=ts-thumb alt=Page 27: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails27jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 28button div class=ts-image amp-img class=ts-thumb alt=Page 28: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails28jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 29button div class=ts-image amp-img class=ts-thumb alt=Page 29: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails29jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 30button div class=ts-image amp-img class=ts-thumb alt=Page 30: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails30jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 31button div class=ts-image amp-img class=ts-thumb alt=Page 31: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails31jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 32button div class=ts-image amp-img class=ts-thumb alt=Page 32: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails32jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 33button div class=ts-image amp-img class=ts-thumb alt=Page 33: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails33jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 34button div class=ts-image amp-img class=ts-thumb alt=Page 34: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails34jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 35button div class=ts-image amp-img class=ts-thumb alt=Page 35: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails35jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 36button div class=ts-image amp-img class=ts-thumb alt=Page 36: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails36jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 37button div class=ts-image amp-img class=ts-thumb alt=Page 37: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails37jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 38button div class=ts-image amp-img class=ts-thumb alt=Page 38: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails38jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 39button div class=ts-image amp-img class=ts-thumb alt=Page 39: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails39jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 40button div class=ts-image amp-img class=ts-thumb alt=Page 40: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails40jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 41button div class=ts-image amp-img class=ts-thumb alt=Page 41: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails41jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 42button div class=ts-image amp-img class=ts-thumb alt=Page 42: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails42jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 43button div class=ts-image amp-img class=ts-thumb alt=Page 43: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails43jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 44button div class=ts-image amp-img class=ts-thumb alt=Page 44: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails44jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 45button div class=ts-image amp-img class=ts-thumb alt=Page 45: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails45jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 46button div class=ts-image amp-img class=ts-thumb alt=Page 46: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails46jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 47button div class=ts-image amp-img class=ts-thumb alt=Page 47: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails47jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 48button div class=ts-image amp-img class=ts-thumb alt=Page 48: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails48jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 49button div class=ts-image amp-img class=ts-thumb alt=Page 49: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails49jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 50button div class=ts-image amp-img class=ts-thumb alt=Page 50: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails50jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 51button div class=ts-image amp-img class=ts-thumb alt=Page 51: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails51jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 52button div class=ts-image amp-img class=ts-thumb alt=Page 52: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails52jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 53button div class=ts-image amp-img class=ts-thumb alt=Page 53: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails53jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 54button div class=ts-image amp-img class=ts-thumb alt=Page 54: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails54jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 55button div class=ts-image amp-img class=ts-thumb alt=Page 55: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails55jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 56button div class=ts-image amp-img class=ts-thumb alt=Page 56: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails56jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 57button div class=ts-image amp-img class=ts-thumb alt=Page 57: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails57jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 58button div class=ts-image amp-img class=ts-thumb alt=Page 58: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails58jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 59button div class=ts-image amp-img class=ts-thumb alt=Page 59: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails59jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 60button div class=ts-image amp-img class=ts-thumb alt=Page 60: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails60jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 61button div class=ts-image amp-img class=ts-thumb alt=Page 61: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails61jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 62button div class=ts-image amp-img class=ts-thumb alt=Page 62: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails62jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 63button div class=ts-image amp-img class=ts-thumb alt=Page 63: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails63jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 64button div class=ts-image amp-img class=ts-thumb alt=Page 64: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails64jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 65button div class=ts-image amp-img class=ts-thumb alt=Page 65: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails65jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 66button div class=ts-image amp-img class=ts-thumb alt=Page 66: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails66jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 67button div class=ts-image amp-img class=ts-thumb alt=Page 67: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails67jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 68button div class=ts-image amp-img class=ts-thumb alt=Page 68: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails68jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 69button div class=ts-image amp-img class=ts-thumb alt=Page 69: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails69jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 70button div class=ts-image amp-img class=ts-thumb alt=Page 70: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails70jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 71button div class=ts-image amp-img class=ts-thumb alt=Page 71: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails71jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 72button div class=ts-image amp-img class=ts-thumb alt=Page 72: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails72jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 73button div class=ts-image amp-img class=ts-thumb alt=Page 73: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails73jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 74button div class=ts-image amp-img class=ts-thumb alt=Page 74: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails74jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 75button div class=ts-image amp-img class=ts-thumb alt=Page 75: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails75jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 76button div class=ts-image amp-img class=ts-thumb alt=Page 76: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails76jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 77button div class=ts-image amp-img class=ts-thumb alt=Page 77: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails77jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 78button div class=ts-image amp-img class=ts-thumb alt=Page 78: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails78jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 79button div class=ts-image amp-img class=ts-thumb alt=Page 79: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails79jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 80button div class=ts-image amp-img class=ts-thumb alt=Page 80: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails80jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 81button div class=ts-image amp-img class=ts-thumb alt=Page 81: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails81jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 82button div class=ts-image amp-img class=ts-thumb alt=Page 82: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails82jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 83button div class=ts-image amp-img class=ts-thumb alt=Page 83: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails83jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 84button div class=ts-image amp-img class=ts-thumb alt=Page 84: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails84jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 85button div class=ts-image amp-img class=ts-thumb alt=Page 85: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails85jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 86button div class=ts-image amp-img class=ts-thumb alt=Page 86: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails86jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 87button div class=ts-image amp-img class=ts-thumb alt=Page 87: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails87jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 88button div class=ts-image amp-img class=ts-thumb alt=Page 88: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails88jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 89button div class=ts-image amp-img class=ts-thumb alt=Page 89: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails89jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 90button div class=ts-image amp-img class=ts-thumb alt=Page 90: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails90jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 91button div class=ts-image amp-img class=ts-thumb alt=Page 91: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails91jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 92button div class=ts-image amp-img class=ts-thumb alt=Page 92: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails92jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 93button div class=ts-image amp-img class=ts-thumb alt=Page 93: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails93jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 94button div class=ts-image amp-img class=ts-thumb alt=Page 94: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails94jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 95button div class=ts-image amp-img class=ts-thumb alt=Page 95: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails95jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 96button div class=ts-image amp-img class=ts-thumb alt=Page 96: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails96jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 97button div class=ts-image amp-img class=ts-thumb alt=Page 97: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails97jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 98button div class=ts-image amp-img class=ts-thumb alt=Page 98: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails98jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 99button div class=ts-image amp-img class=ts-thumb alt=Page 99: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails99jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 100button div class=ts-image amp-img class=ts-thumb alt=Page 100: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails100jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 101button div class=ts-image amp-img class=ts-thumb alt=Page 101: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails101jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 102button div class=ts-image amp-img class=ts-thumb alt=Page 102: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails102jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 103button div class=ts-image amp-img class=ts-thumb alt=Page 103: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails103jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 104button div class=ts-image amp-img class=ts-thumb alt=Page 104: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails104jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 105button div class=ts-image amp-img class=ts-thumb alt=Page 105: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails105jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 106button div class=ts-image amp-img class=ts-thumb alt=Page 106: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails106jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 107button div class=ts-image amp-img class=ts-thumb alt=Page 107: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails107jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 108button div class=ts-image amp-img class=ts-thumb alt=Page 108: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails108jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 109button div class=ts-image amp-img class=ts-thumb alt=Page 109: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails109jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 110button div class=ts-image amp-img class=ts-thumb alt=Page 110: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails110jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 111button div class=ts-image amp-img class=ts-thumb alt=Page 111: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails111jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 112button div class=ts-image amp-img class=ts-thumb alt=Page 112: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails112jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 113button div class=ts-image amp-img class=ts-thumb alt=Page 113: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails113jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 114button div class=ts-image amp-img class=ts-thumb alt=Page 114: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails114jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 115button div class=ts-image amp-img class=ts-thumb alt=Page 115: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails115jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 116button div class=ts-image amp-img class=ts-thumb alt=Page 116: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails116jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 117button div class=ts-image amp-img class=ts-thumb alt=Page 117: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails117jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 118button div class=ts-image amp-img class=ts-thumb alt=Page 118: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails118jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 119button div class=ts-image amp-img class=ts-thumb alt=Page 119: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails119jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 120button div class=ts-image amp-img class=ts-thumb alt=Page 120: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails120jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 121button div class=ts-image amp-img class=ts-thumb alt=Page 121: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails121jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 122button div class=ts-image amp-img class=ts-thumb alt=Page 122: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails122jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 123button div class=ts-image amp-img class=ts-thumb alt=Page 123: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails123jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 124button div class=ts-image amp-img class=ts-thumb alt=Page 124: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails124jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 125button div class=ts-image amp-img class=ts-thumb alt=Page 125: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails125jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 126button div class=ts-image amp-img class=ts-thumb alt=Page 126: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails126jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 127button div class=ts-image amp-img class=ts-thumb alt=Page 127: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails127jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 128button div class=ts-image amp-img class=ts-thumb alt=Page 128: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails128jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 129button div class=ts-image amp-img class=ts-thumb alt=Page 129: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails129jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 130button div class=ts-image amp-img class=ts-thumb alt=Page 130: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails130jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 131button div class=ts-image amp-img class=ts-thumb alt=Page 131: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails131jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 132button div class=ts-image amp-img class=ts-thumb alt=Page 132: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails132jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 133button div class=ts-image amp-img class=ts-thumb alt=Page 133: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails133jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 134button div class=ts-image amp-img class=ts-thumb alt=Page 134: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails134jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 135button div class=ts-image amp-img class=ts-thumb alt=Page 135: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails135jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 136button div class=ts-image amp-img class=ts-thumb alt=Page 136: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails136jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 137button div class=ts-image amp-img class=ts-thumb alt=Page 137: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails137jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 138button div class=ts-image amp-img class=ts-thumb alt=Page 138: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails138jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 139button div class=ts-image amp-img class=ts-thumb alt=Page 139: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails139jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 140button div class=ts-image amp-img class=ts-thumb alt=Page 140: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails140jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 141button div class=ts-image amp-img class=ts-thumb alt=Page 141: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails141jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 142button div class=ts-image amp-img class=ts-thumb alt=Page 142: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails142jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 143button div class=ts-image amp-img class=ts-thumb alt=Page 143: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails143jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 144button div class=ts-image amp-img class=ts-thumb alt=Page 144: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails144jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 145button div class=ts-image amp-img class=ts-thumb alt=Page 145: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails145jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 146button div class=ts-image amp-img class=ts-thumb alt=Page 146: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails146jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 147button div class=ts-image amp-img class=ts-thumb alt=Page 147: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails147jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 148button div class=ts-image amp-img class=ts-thumb alt=Page 148: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails148jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 149button div class=ts-image amp-img class=ts-thumb alt=Page 149: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails149jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 150button div class=ts-image amp-img class=ts-thumb alt=Page 150: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails150jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 151button div class=ts-image amp-img class=ts-thumb alt=Page 151: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails151jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 152button div class=ts-image amp-img class=ts-thumb alt=Page 152: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails152jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 153button div class=ts-image amp-img class=ts-thumb alt=Page 153: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails153jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 154button div class=ts-image amp-img class=ts-thumb alt=Page 154: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails154jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 155button div class=ts-image amp-img class=ts-thumb alt=Page 155: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails155jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 156button div class=ts-image amp-img class=ts-thumb alt=Page 156: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails156jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 157button div class=ts-image amp-img class=ts-thumb alt=Page 157: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails157jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 158button div class=ts-image amp-img class=ts-thumb alt=Page 158: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails158jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 159button div class=ts-image amp-img class=ts-thumb alt=Page 159: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails159jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 160button div class=ts-image amp-img class=ts-thumb alt=Page 160: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails160jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 161button div class=ts-image amp-img class=ts-thumb alt=Page 161: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails161jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 162button div class=ts-image amp-img class=ts-thumb alt=Page 162: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails162jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 163button div class=ts-image amp-img class=ts-thumb alt=Page 163: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails163jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 164button div class=ts-image amp-img class=ts-thumb alt=Page 164: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails164jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 165button div class=ts-image amp-img class=ts-thumb alt=Page 165: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails165jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 166button div class=ts-image amp-img class=ts-thumb alt=Page 166: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails166jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 167button div class=ts-image amp-img class=ts-thumb alt=Page 167: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails167jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 168button div class=ts-image amp-img class=ts-thumb alt=Page 168: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails168jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 169button div class=ts-image amp-img class=ts-thumb alt=Page 169: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails169jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 170button div class=ts-image amp-img class=ts-thumb alt=Page 170: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails170jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 171button div class=ts-image amp-img class=ts-thumb alt=Page 171: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails171jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 172button div class=ts-image amp-img class=ts-thumb alt=Page 172: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails172jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 173button div class=ts-image amp-img class=ts-thumb alt=Page 173: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails173jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 174button div class=ts-image amp-img class=ts-thumb alt=Page 174: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails174jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 175button div class=ts-image amp-img class=ts-thumb alt=Page 175: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails175jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 176button div class=ts-image amp-img class=ts-thumb alt=Page 176: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails176jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 177button div class=ts-image amp-img class=ts-thumb alt=Page 177: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails177jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 178button div class=ts-image amp-img class=ts-thumb alt=Page 178: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails178jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 179button div class=ts-image amp-img class=ts-thumb alt=Page 179: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails179jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 180button div class=ts-image amp-img class=ts-thumb alt=Page 180: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails180jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 181button div class=ts-image amp-img class=ts-thumb alt=Page 181: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails181jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 182button div class=ts-image amp-img class=ts-thumb alt=Page 182: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails182jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 183button div class=ts-image amp-img class=ts-thumb alt=Page 183: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails183jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 184button div class=ts-image amp-img class=ts-thumb alt=Page 184: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails184jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 185button div class=ts-image amp-img class=ts-thumb alt=Page 185: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails185jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 186button div class=ts-image amp-img class=ts-thumb alt=Page 186: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails186jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 187button div class=ts-image amp-img class=ts-thumb alt=Page 187: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails187jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 188button div class=ts-image amp-img class=ts-thumb alt=Page 188: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails188jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 189button div class=ts-image amp-img class=ts-thumb alt=Page 189: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails189jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 190button div class=ts-image amp-img class=ts-thumb alt=Page 190: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails190jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 191button div class=ts-image amp-img class=ts-thumb alt=Page 191: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails191jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 192button div class=ts-image amp-img class=ts-thumb alt=Page 192: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails192jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 193button div class=ts-image amp-img class=ts-thumb alt=Page 193: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails193jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 194button div class=ts-image amp-img class=ts-thumb alt=Page 194: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails194jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 195button div class=ts-image amp-img class=ts-thumb alt=Page 195: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails195jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 196button div class=ts-image amp-img class=ts-thumb alt=Page 196: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails196jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 197button div class=ts-image amp-img class=ts-thumb alt=Page 197: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails197jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 198button div class=ts-image amp-img class=ts-thumb alt=Page 198: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails198jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 199button div class=ts-image amp-img class=ts-thumb alt=Page 199: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails199jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 200button div class=ts-image amp-img class=ts-thumb alt=Page 200: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails200jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 201button div class=ts-image amp-img class=ts-thumb alt=Page 201: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails201jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 202button div class=ts-image amp-img class=ts-thumb alt=Page 202: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails202jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 203button div class=ts-image amp-img class=ts-thumb alt=Page 203: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails203jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 204button div class=ts-image amp-img class=ts-thumb alt=Page 204: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails204jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 205button div class=ts-image amp-img class=ts-thumb alt=Page 205: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails205jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 206button div class=ts-image amp-img class=ts-thumb alt=Page 206: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails206jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 207button div class=ts-image amp-img class=ts-thumb alt=Page 207: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails207jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 208button div class=ts-image amp-img class=ts-thumb alt=Page 208: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails208jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 209button div class=ts-image amp-img class=ts-thumb alt=Page 209: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails209jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 210button div class=ts-image amp-img class=ts-thumb alt=Page 210: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails210jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 211button div class=ts-image amp-img class=ts-thumb alt=Page 211: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails211jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 212button div class=ts-image amp-img class=ts-thumb alt=Page 212: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails212jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 213button div class=ts-image amp-img class=ts-thumb alt=Page 213: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails213jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 214button div class=ts-image amp-img class=ts-thumb alt=Page 214: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails214jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 215button div class=ts-image amp-img class=ts-thumb alt=Page 215: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails215jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 216button div class=ts-image amp-img class=ts-thumb alt=Page 216: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails216jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 217button div class=ts-image amp-img class=ts-thumb alt=Page 217: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails217jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 218button div class=ts-image amp-img class=ts-thumb alt=Page 218: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails218jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 219button div class=ts-image amp-img class=ts-thumb alt=Page 219: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails219jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 220button div class=ts-image amp-img class=ts-thumb alt=Page 220: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails220jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 221button div class=ts-image amp-img class=ts-thumb alt=Page 221: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails221jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 222button div class=ts-image amp-img class=ts-thumb alt=Page 222: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails222jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 223button div class=ts-image amp-img class=ts-thumb alt=Page 223: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails223jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 224button div class=ts-image amp-img class=ts-thumb alt=Page 224: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails224jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 225button div class=ts-image amp-img class=ts-thumb alt=Page 225: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails225jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 226button div class=ts-image amp-img class=ts-thumb alt=Page 226: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails226jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 227button div class=ts-image amp-img class=ts-thumb alt=Page 227: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails227jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 228button div class=ts-image amp-img class=ts-thumb alt=Page 228: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails228jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 229button div class=ts-image amp-img class=ts-thumb alt=Page 229: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails229jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 230button div class=ts-image amp-img class=ts-thumb alt=Page 230: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails230jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 231button div class=ts-image amp-img class=ts-thumb alt=Page 231: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails231jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 232button div class=ts-image amp-img class=ts-thumb alt=Page 232: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails232jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 233button div class=ts-image amp-img class=ts-thumb alt=Page 233: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails233jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 234button div class=ts-image amp-img class=ts-thumb alt=Page 234: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails234jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 235button div class=ts-image amp-img class=ts-thumb alt=Page 235: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails235jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 236button div class=ts-image amp-img class=ts-thumb alt=Page 236: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails236jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 237button div class=ts-image amp-img class=ts-thumb alt=Page 237: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails237jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 238button div class=ts-image amp-img class=ts-thumb alt=Page 238: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails238jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 239button div class=ts-image amp-img class=ts-thumb alt=Page 239: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails239jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 240button div class=ts-image amp-img class=ts-thumb alt=Page 240: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails240jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 241button div class=ts-image amp-img class=ts-thumb alt=Page 241: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails241jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 242button div class=ts-image amp-img class=ts-thumb alt=Page 242: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails242jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 243button div class=ts-image amp-img class=ts-thumb alt=Page 243: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails243jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 244button div class=ts-image amp-img class=ts-thumb alt=Page 244: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails244jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 245button div class=ts-image amp-img class=ts-thumb alt=Page 245: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails245jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 246button div class=ts-image amp-img class=ts-thumb alt=Page 246: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails246jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 247button div class=ts-image amp-img class=ts-thumb alt=Page 247: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails247jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 248button div class=ts-image amp-img class=ts-thumb alt=Page 248: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails248jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 249button div class=ts-image amp-img class=ts-thumb alt=Page 249: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails249jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 250button div class=ts-image amp-img class=ts-thumb alt=Page 250: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails250jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 251button div class=ts-image amp-img class=ts-thumb alt=Page 251: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails251jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 252button div class=ts-image amp-img class=ts-thumb alt=Page 252: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails252jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 253button div class=ts-image amp-img class=ts-thumb alt=Page 253: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails253jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 254button div class=ts-image amp-img class=ts-thumb alt=Page 254: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails254jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 255button div class=ts-image amp-img class=ts-thumb alt=Page 255: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails255jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 256button div class=ts-image amp-img class=ts-thumb alt=Page 256: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails256jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 257button div class=ts-image amp-img class=ts-thumb alt=Page 257: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails257jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 258button div class=ts-image amp-img class=ts-thumb alt=Page 258: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails258jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 259button div class=ts-image amp-img class=ts-thumb alt=Page 259: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails259jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 260button div class=ts-image amp-img class=ts-thumb alt=Page 260: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails260jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 261button div class=ts-image amp-img class=ts-thumb alt=Page 261: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails261jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 262button div class=ts-image amp-img class=ts-thumb alt=Page 262: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails262jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 263button div class=ts-image amp-img class=ts-thumb alt=Page 263: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails263jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 264button div class=ts-image amp-img class=ts-thumb alt=Page 264: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails264jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 265button div class=ts-image amp-img class=ts-thumb alt=Page 265: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails265jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 266button div class=ts-image amp-img class=ts-thumb alt=Page 266: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails266jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 267button div class=ts-image amp-img class=ts-thumb alt=Page 267: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails267jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 268button div class=ts-image amp-img class=ts-thumb alt=Page 268: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails268jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 269button div class=ts-image amp-img class=ts-thumb alt=Page 269: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails269jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 270button div class=ts-image amp-img class=ts-thumb alt=Page 270: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails270jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 271button div class=ts-image amp-img class=ts-thumb alt=Page 271: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails271jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 272button div class=ts-image amp-img class=ts-thumb alt=Page 272: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails272jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 273button div class=ts-image amp-img class=ts-thumb alt=Page 273: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails273jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 274button div class=ts-image amp-img class=ts-thumb alt=Page 274: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails274jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 275button div class=ts-image amp-img class=ts-thumb alt=Page 275: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails275jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 276button div class=ts-image amp-img class=ts-thumb alt=Page 276: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails276jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 277button div class=ts-image amp-img class=ts-thumb alt=Page 277: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails277jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 278button div class=ts-image amp-img class=ts-thumb alt=Page 278: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails278jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 279button div class=ts-image amp-img class=ts-thumb alt=Page 279: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails279jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 280button div class=ts-image amp-img class=ts-thumb alt=Page 280: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails280jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 281button div class=ts-image amp-img class=ts-thumb alt=Page 281: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails281jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 282button div class=ts-image amp-img class=ts-thumb alt=Page 282: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails282jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 283button div class=ts-image amp-img class=ts-thumb alt=Page 283: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails283jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 284button div class=ts-image amp-img class=ts-thumb alt=Page 284: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails284jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 285button div class=ts-image amp-img class=ts-thumb alt=Page 285: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails285jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 286button div class=ts-image amp-img class=ts-thumb alt=Page 286: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails286jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 287button div class=ts-image amp-img class=ts-thumb alt=Page 287: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails287jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 288button div class=ts-image amp-img class=ts-thumb alt=Page 288: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails288jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 289button div class=ts-image amp-img class=ts-thumb alt=Page 289: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails289jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 290button div class=ts-image amp-img class=ts-thumb alt=Page 290: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails290jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 291button div class=ts-image amp-img class=ts-thumb alt=Page 291: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails291jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 292button div class=ts-image amp-img class=ts-thumb alt=Page 292: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails292jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 293button div class=ts-image amp-img class=ts-thumb alt=Page 293: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails293jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 294button div class=ts-image amp-img class=ts-thumb alt=Page 294: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails294jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 295button div class=ts-image amp-img class=ts-thumb alt=Page 295: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails295jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 296button div class=ts-image amp-img class=ts-thumb alt=Page 296: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails296jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 297button div class=ts-image amp-img class=ts-thumb alt=Page 297: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails297jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 298button div class=ts-image amp-img class=ts-thumb alt=Page 298: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails298jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 299button div class=ts-image amp-img class=ts-thumb alt=Page 299: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails299jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 300button div class=ts-image amp-img class=ts-thumb alt=Page 300: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails300jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 301button div class=ts-image amp-img class=ts-thumb alt=Page 301: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails301jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 302button div class=ts-image amp-img class=ts-thumb alt=Page 302: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails302jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 303button div class=ts-image amp-img class=ts-thumb alt=Page 303: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails303jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 304button div class=ts-image amp-img class=ts-thumb alt=Page 304: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails304jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 305button div class=ts-image amp-img class=ts-thumb alt=Page 305: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails305jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 306button div class=ts-image amp-img class=ts-thumb alt=Page 306: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails306jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 307button div class=ts-image amp-img class=ts-thumb alt=Page 307: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails307jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 308button div class=ts-image amp-img class=ts-thumb alt=Page 308: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails308jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 309button div class=ts-image amp-img class=ts-thumb alt=Page 309: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails309jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 310button div class=ts-image amp-img class=ts-thumb alt=Page 310: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails310jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 311button div class=ts-image amp-img class=ts-thumb alt=Page 311: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails311jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 312button div class=ts-image amp-img class=ts-thumb alt=Page 312: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails312jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 313button div class=ts-image amp-img class=ts-thumb alt=Page 313: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails313jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 314button div class=ts-image amp-img class=ts-thumb alt=Page 314: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails314jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 315button div class=ts-image amp-img class=ts-thumb alt=Page 315: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails315jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 316button div class=ts-image amp-img class=ts-thumb alt=Page 316: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails316jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 317button div class=ts-image amp-img class=ts-thumb alt=Page 317: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails317jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 318button div class=ts-image amp-img class=ts-thumb alt=Page 318: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails318jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 319button div class=ts-image amp-img class=ts-thumb alt=Page 319: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails319jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 320button div class=ts-image amp-img class=ts-thumb alt=Page 320: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails320jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 321button div class=ts-image amp-img class=ts-thumb alt=Page 321: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails321jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 322button div class=ts-image amp-img class=ts-thumb alt=Page 322: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails322jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 323button div class=ts-image amp-img class=ts-thumb alt=Page 323: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails323jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 324button div class=ts-image amp-img class=ts-thumb alt=Page 324: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails324jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 325button div class=ts-image amp-img class=ts-thumb alt=Page 325: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails325jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 326button div class=ts-image amp-img class=ts-thumb alt=Page 326: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails326jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 327button div class=ts-image amp-img class=ts-thumb alt=Page 327: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails327jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 328button div class=ts-image amp-img class=ts-thumb alt=Page 328: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails328jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 329button div class=ts-image amp-img class=ts-thumb alt=Page 329: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails329jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 330button div class=ts-image amp-img class=ts-thumb alt=Page 330: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails330jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 331button div class=ts-image amp-img class=ts-thumb alt=Page 331: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails331jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 332button div class=ts-image amp-img class=ts-thumb alt=Page 332: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails332jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 333button div class=ts-image amp-img class=ts-thumb alt=Page 333: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails333jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 334button div class=ts-image amp-img class=ts-thumb alt=Page 334: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails334jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 335button div class=ts-image amp-img class=ts-thumb alt=Page 335: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails335jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 336button div class=ts-image amp-img class=ts-thumb alt=Page 336: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails336jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 337button div class=ts-image amp-img class=ts-thumb alt=Page 337: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails337jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 338button div class=ts-image amp-img class=ts-thumb alt=Page 338: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails338jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 339button div class=ts-image amp-img class=ts-thumb alt=Page 339: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails339jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 340button div class=ts-image amp-img class=ts-thumb alt=Page 340: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails340jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 341button div class=ts-image amp-img class=ts-thumb alt=Page 341: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails341jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 342button div class=ts-image amp-img class=ts-thumb alt=Page 342: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails342jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 343button div class=ts-image amp-img class=ts-thumb alt=Page 343: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails343jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 344button div class=ts-image amp-img class=ts-thumb alt=Page 344: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails344jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 345button div class=ts-image amp-img class=ts-thumb alt=Page 345: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails345jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 346button div class=ts-image amp-img class=ts-thumb alt=Page 346: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails346jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 347button div class=ts-image amp-img class=ts-thumb alt=Page 347: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails347jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 348button div class=ts-image amp-img class=ts-thumb alt=Page 348: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails348jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 349button div class=ts-image amp-img class=ts-thumb alt=Page 349: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails349jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 350button div class=ts-image amp-img class=ts-thumb alt=Page 350: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails350jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 351button div class=ts-image amp-img class=ts-thumb alt=Page 351: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails351jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 352button div class=ts-image amp-img class=ts-thumb alt=Page 352: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails352jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 353button div class=ts-image amp-img class=ts-thumb alt=Page 353: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails353jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 354button div class=ts-image amp-img class=ts-thumb alt=Page 354: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails354jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 355button div class=ts-image amp-img class=ts-thumb alt=Page 355: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails355jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 356button div class=ts-image amp-img class=ts-thumb alt=Page 356: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails356jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 357button div class=ts-image amp-img class=ts-thumb alt=Page 357: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails357jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 358button div class=ts-image amp-img class=ts-thumb alt=Page 358: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails358jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 359button div class=ts-image amp-img class=ts-thumb alt=Page 359: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails359jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 360button div class=ts-image amp-img class=ts-thumb alt=Page 360: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails360jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 361button div class=ts-image amp-img class=ts-thumb alt=Page 361: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails361jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 362button div class=ts-image amp-img class=ts-thumb alt=Page 362: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails362jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 363button div class=ts-image amp-img class=ts-thumb alt=Page 363: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails363jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 364button div class=ts-image amp-img class=ts-thumb alt=Page 364: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails364jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 365button div class=ts-image amp-img class=ts-thumb alt=Page 365: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails365jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 366button div class=ts-image amp-img class=ts-thumb alt=Page 366: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails366jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 367button div class=ts-image amp-img class=ts-thumb alt=Page 367: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails367jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 368button div class=ts-image amp-img class=ts-thumb alt=Page 368: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails368jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 369button div class=ts-image amp-img class=ts-thumb alt=Page 369: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails369jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 370button div class=ts-image amp-img class=ts-thumb alt=Page 370: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails370jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 371button div class=ts-image amp-img class=ts-thumb alt=Page 371: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails371jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 372button div class=ts-image amp-img class=ts-thumb alt=Page 372: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails372jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 373button div class=ts-image amp-img class=ts-thumb alt=Page 373: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails373jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 374button div class=ts-image amp-img class=ts-thumb alt=Page 374: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails374jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 375button div class=ts-image amp-img class=ts-thumb alt=Page 375: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails375jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 376button div class=ts-image amp-img class=ts-thumb alt=Page 376: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails376jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 377button div class=ts-image amp-img class=ts-thumb alt=Page 377: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails377jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 378button div class=ts-image amp-img class=ts-thumb alt=Page 378: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails378jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 379button div class=ts-image amp-img class=ts-thumb alt=Page 379: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails379jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 380button div class=ts-image amp-img class=ts-thumb alt=Page 380: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails380jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 381button div class=ts-image amp-img class=ts-thumb alt=Page 381: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails381jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 382button div class=ts-image amp-img class=ts-thumb alt=Page 382: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails382jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 383button div class=ts-image amp-img class=ts-thumb alt=Page 383: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails383jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 384button div class=ts-image amp-img class=ts-thumb alt=Page 384: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails384jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 385button div class=ts-image amp-img class=ts-thumb alt=Page 385: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails385jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 386button div class=ts-image amp-img class=ts-thumb alt=Page 386: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails386jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 387button div class=ts-image amp-img class=ts-thumb alt=Page 387: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails387jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 388button div class=ts-image amp-img class=ts-thumb alt=Page 388: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails388jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 389button div class=ts-image amp-img class=ts-thumb alt=Page 389: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails389jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 390button div class=ts-image amp-img class=ts-thumb alt=Page 390: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails390jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 391button div class=ts-image amp-img class=ts-thumb alt=Page 391: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails391jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 392button div class=ts-image amp-img class=ts-thumb alt=Page 392: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails392jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 393button div class=ts-image amp-img class=ts-thumb alt=Page 393: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails393jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 394button div class=ts-image amp-img class=ts-thumb alt=Page 394: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails394jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 395button div class=ts-image amp-img class=ts-thumb alt=Page 395: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails395jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 396button div class=ts-image amp-img class=ts-thumb alt=Page 396: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails396jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 397button div class=ts-image amp-img class=ts-thumb alt=Page 397: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails397jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 398button div class=ts-image amp-img class=ts-thumb alt=Page 398: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails398jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 399button div class=ts-image amp-img class=ts-thumb alt=Page 399: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails399jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 400button div class=ts-image amp-img class=ts-thumb alt=Page 400: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails400jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 401button div class=ts-image amp-img class=ts-thumb alt=Page 401: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails401jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 402button div class=ts-image amp-img class=ts-thumb alt=Page 402: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails402jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 403button div class=ts-image amp-img class=ts-thumb alt=Page 403: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails403jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 404button div class=ts-image amp-img class=ts-thumb alt=Page 404: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails404jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 405button div class=ts-image amp-img class=ts-thumb alt=Page 405: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails405jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 406button div class=ts-image amp-img class=ts-thumb alt=Page 406: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails406jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 407button div class=ts-image amp-img class=ts-thumb alt=Page 407: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails407jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 408button div class=ts-image amp-img class=ts-thumb alt=Page 408: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails408jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 409button div class=ts-image amp-img class=ts-thumb alt=Page 409: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails409jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 410button div class=ts-image amp-img class=ts-thumb alt=Page 410: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails410jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 411button div class=ts-image amp-img class=ts-thumb alt=Page 411: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails411jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 412button div class=ts-image amp-img class=ts-thumb alt=Page 412: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails412jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 413button div class=ts-image amp-img class=ts-thumb alt=Page 413: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails413jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 414button div class=ts-image amp-img class=ts-thumb alt=Page 414: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails414jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 415button div class=ts-image amp-img class=ts-thumb alt=Page 415: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails415jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 416button div class=ts-image amp-img class=ts-thumb alt=Page 416: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails416jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 417button div class=ts-image amp-img class=ts-thumb alt=Page 417: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails417jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 418button div class=ts-image amp-img class=ts-thumb alt=Page 418: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails418jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 419button div class=ts-image amp-img class=ts-thumb alt=Page 419: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails419jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 420button div class=ts-image amp-img class=ts-thumb alt=Page 420: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails420jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 421button div class=ts-image amp-img class=ts-thumb alt=Page 421: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails421jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 422button div class=ts-image amp-img class=ts-thumb alt=Page 422: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails422jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 423button div class=ts-image amp-img class=ts-thumb alt=Page 423: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails423jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 424button div class=ts-image amp-img class=ts-thumb alt=Page 424: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails424jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 425button div class=ts-image amp-img class=ts-thumb alt=Page 425: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails425jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 426button div class=ts-image amp-img class=ts-thumb alt=Page 426: gceguidexyz CHAPTER 1 THE TRIANGLE Medians Circumcentre and circumcircle Orthocentre and pedal triangle Nine-point circle Euler line Incentre and excentres Concurrence and collinearity src=https:reader031vdocumentssitereader031viewer20220201205ab392d47f8b9ac3348e588ahtml5thumbnails426jpg width=142 height=106 layout=responsive amp-img divdiv