### Home > CCG > Chapter 7 > Lesson 7.1.3 > Problem7-30

7-30.

Examine the diagram at right. Find two equivalent expressions that represent the area of the inner square.  Homework Help ✎

Area of inner $\text{square}=\left(\text{base}\right)\left(\text{height}\right)$ or large square minus $4$ triangles.

$c^2$ or $a^2+b^2$