Question

Mario writes the equation (r + y)2 = z2 + 4(1/2ry) to begin a proof of the Pythagorean theorem. Use the drop-down menus to explain why this is a true equation.

Answer 1

Answer:

x+7 z2 1/2xy

Step-by-step explanation:

Answer 2

Answer:

x+y

Z2

1/2xy

Step-by-step explanation:

(x+y)^2 finds the area of the outer square by squaring its side length.

z^2 + 4 (1/2xy) finds the area of the outer square by adding the area of the inner square and the four triangles.