4.3 similar triangles
Post on 18-May-2015
174 Views
Preview:
TRANSCRIPT
4.3 Similar Triangles
1
May 20, 2014
SimilaritySimilar Triangles
Similar Polygons
HomeworkPage 150 #5, 6, 8, 10, 12, 18
4.3 Similar Triangles
2
May 20, 2014
Similar TrianglesWe say that two triangles are similar:
if their side lengths reduce to the same threeterm ratio.
corresponding angles must also be equal.
4.3 Similar Triangles
3
May 20, 2014
Example 1:
Note: figures are not drawn to scale.
Find the length of:
a) TW b) SW
4.3 Similar Triangles
4
May 20, 2014
Example 2:
Find the measure of:
a) DE b) FE
4.3 Similar Triangles
5
May 20, 2014
Examples:
4.3 Similar Triangles
6
May 20, 2014
4.3 Similar Triangles
7
May 20, 2014
Turn to page 152 in your textbook question 14.
Erin, who is 1.60 m tall, casts a shadow that is 1.25 m long. Her shadow extends to the end of a tree's shadow when she stands 4.75 m from the tree. What is the height of the tree?
1.6 m
4.75 m 1.25 m
top related