Pythagorean Theorem Proof Without Words #2

How do the areas of the two smaller squares relate to the area of the larger square? [br][br]How do the areas of the squares relate to the side of the triangle they're attached to?[br][br]Move the point at the right angle of the triangle to change the leg lengths of the triangle and test your theory using the slider.

Information: Pythagorean Theorem Proof Without Words #2