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Home > CCG > Chapter 7 > Lesson 7.1.3 > Problem 7-30


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

Area of inner or large square minus triangles.


A smaller square, side length, c, rotated inside a larger square such that each vertex touches the side of the large square. A right triangle is formed along each side of the smaller square with a base of, a, a height of, b, and a hypotenuse of, c. That same triangle is positioned in each corner of the large square filling the entire space with the small square.