## Basic College Mathematics (9th Edition)

C $\approx$ 113.04 in.
C = 2 $\pi$r where $\pi$is approximately 3.14, r is 18 in. What is the area if $\pi$ is approximately 3.14 and r is 18 in. Evaluate the formula by replacing $\pi$ with 3.14 , r with 18 in. C = 2 * 3.14 * 18 in. $\approx$ 113.04 in.