## Basic College Mathematics (9th Edition)

A = $\approx$78.5 $yd^{2}$
A = $\pi$$r^{2} \pi is approximately 3.14, r= 5 yd In this formula, r is the radius of the circle. What is the area if r is 5 yd and \pi is 3.14 A = \pi$$r^{2}$ = 3.14 * $5^{2}$ (Apply exponent first) = 3.14 * 25 $\approx$78.5 $yd^{2}$