Proving Triangles Similar by Side-Side-Side Similarity Theorem

In this video, you will learn about the Side-Side-Side Similarity Theorem. According to this theorem, two triangles are similar when all three of their corresponding sides are proportional. Click the player button to begin.

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Proving Triangles Similar by Side-Angle-Side Similarity Theorem

In this video, you will explore how two triangles are similar using the Side-Angle-Side Similarity Theorem. According to this theorem, two triangles are similar when two corresponding sides are proportional and the included angles are congruent. Click the player button to begin.

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Proving Triangles Similar by Angle-Angle Similarity Postulate

In this video, you will explore the Angle-Angle Similarity Postulate. According to this postulate, two triangles are similar if they have two corresponding angles that are congruent. Click the player button to begin.

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Triangle Similarity: SSS, SAS, and AA Review

Now that you have learned about using SSS, SAS, and AA to prove triangle similarity, review your knowledge in this interactivity. Click the player button to get started.