classifying triangles students will classify triangles using the lengths of the sides and the...
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![Page 1: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/1.jpg)
Classifying Triangles
Students will classify triangles using the lengths of the sides and the angles.
S. CalahanOctober 2010
![Page 2: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/2.jpg)
Classifying triangles by angles
Acute triangle – all of the angles are acute
![Page 3: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/3.jpg)
Classifying triangles by angles
Obtuse triangle – one angles is obtuse
![Page 4: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/4.jpg)
Classifying triangles by angles
Right triangle – one angles is 90°
![Page 5: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/5.jpg)
Classify the triangle by it’s angles
85°
55° 40°
![Page 6: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/6.jpg)
Right
Acute Triangle
![Page 7: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/7.jpg)
Classify the triangle by it’s angles
60°
30°
![Page 8: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/8.jpg)
Right
Right triangle
![Page 9: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/9.jpg)
Classifying the triangle by it’s angles
110°
![Page 10: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/10.jpg)
Right
Obtuse Triangle
![Page 11: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/11.jpg)
Classify triangles by sides
Scalene triangle – no sides are congruent
![Page 12: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/12.jpg)
Classify triangles by sides
Isosceles triangle – at least 2 sides are congruent.
![Page 13: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/13.jpg)
Classify triangles by sides
Equilateral triangles – all sides of a triangle are congruent
![Page 14: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/14.jpg)
Classify triangles by sides
![Page 15: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/15.jpg)
Right
Isosceles triangle
![Page 16: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/16.jpg)
Classify triangles by sides
![Page 17: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/17.jpg)
Right
Scalene Triangle
![Page 18: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/18.jpg)
Classify the triangle using the sides
![Page 19: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/19.jpg)
Right
Equilateral Triangle
![Page 20: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/20.jpg)
Classify the triangle using the sides
![Page 21: Classifying Triangles Students will classify triangles using the lengths of the sides and the angles. S. Calahan October 2010](https://reader030.vdocuments.site/reader030/viewer/2022032600/56649dbb5503460f94aad1d3/html5/thumbnails/21.jpg)
Right
Isosceles Triangle