Question

4. The circumference of a circle is 117 inches.

What is the area, in square inches, of the circle? Express your answer in terms of it.

Answer 1

1089.34in²

Explanation:

A=πr2

C=2πr

Solving for A

A=Csquared/4π = 117 squared / 4 * π = 1089.33601in²

Hope it helps