#### Answer

A= 36$\pi$ yd$^2$$\approx$113 yd$^2$
C=12$\pi$ yd$\approx$38 yd

#### Work Step by Step

r=$\frac{1}{2}$d
r=$\frac{1}{2}$(12)
r=6
A=$\pi$r$^2$
A=$\pi$(6)$^2$
A=36$\pi$ yd$^2$$\approx$113 yd$^2$
C=$\pi$d
C=$\pi$12
C=12$\pi$ yd $\approx$38 yd

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

A= 36$\pi$ yd$^2$$\approx$113 yd$^2$
C=12$\pi$ yd$\approx$38 yd

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