Understand Triangle Similarity Concepts for Better Geometry Skills
Learn how to prove triangles similar, understand the AA~ Postulate, verify triangle similarity, and apply indirect measurement to find lengths in similar triangles. Improve your geometry knowledge with practical examples and visual aids.
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Presentation Transcript
7-3 Proving Triangles Similar
You can show that two triangles are similar when you know the relationship between only two or three pairs of corresponding parts.
Problem 1: Using the AA~ Postulate Are the two triangles similar? How do you know?
Problem 2: Verifying Triangle Similarity Are the triangles similar? If so, write a similarity statement for the triangles.
Are the triangles similar? If so, write a similarity statement for the triangles.
Indirect measurement: helps you find lengths that are difficult to measure directly. One method of indirect measurement uses the fact that light reflects off a mirror at the same angle at which it hits the mirror
Problem 4: Finding Lengths in Similar Triangles
