If the length of the hypotenuse of the right triangle equals the side length of the square, find the area of the yellow region.
yelow area is 102 * 2 - 102 / 2
so we have sqrt(10^2+10^2) which is sqrt200 so the area of the square is 200 and then we do 10*10/2=50 so the area is 200-60=150
