Geometry 7.3c, Proving the Pythagorean Theorem using Similar Triangles

An explanation of how we can prove the Pythagorean theorem by using similar triangles. We draw an altitude inside the right triangle to create two new triangles that are similar to the original. We then write proportions to prove the Pythagorean theorem. We also do a regular ladder problem that involves the Pythagorean theorem.

Geometry 7.3a, AA, SSS, SAS Triangle Similarity
https://youtu.be/8HX751kZyzo

Geometry 7.3b, Proofs with Similar Triangles
https://youtu.be/ZoKmUu-o4Po

High School Geometry Playlist
https://www.youtube.com/playlist?list=PLKi4WTp6PRGVBM1nPhwW1lTuxi32Q0IZ3

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