7-3 Proving Triangles Similar

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Objectives Prove that two triangles are similar using AA, SAS, and SSS.

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Presentation transcript:

7-3 Proving Triangles Similar Objective To use the AA ~ Postulate and the SAS ~ and SSS ~ Theorems To use similarity to find indirect measurements.

You can show that two triangles are similar when you know the relationships between only two or three pairs of corresponding parts.

Are the two triangles similar?

Two other ways to determine whether two triangles are similar.

Are the triangles similar Are the triangles similar? If so, write a similarity statement for the triangles. Using side lengths… 7-3 p. 455: 7-12, 18, 19