# Math Help - Proving Pythagorean Theorem with two squares

1. ## Proving Pythagorean Theorem with two squares

see the attachment

2. The area of the inner square is c^2

It is the area of the larger square- area of 4 triangles

c^2 = (a+b)^2 -4(1/2*(ab))

multiply out the rhs and the result follows