9.2 Converse of the Pythagorean Theorem

Here we looked at how we can use the Pythagorean theorem to determine if a triangle is a right triangle. So we use the Pythagorean theorem in reverse. We also learned about some common Pythagorean triples.

If a^2 + b^2 = c^2, then we have a right triangle.

There was time to do homework in class.