#### Answer

$C=8\pi$ in.
$A=16\pi$ in.$^2$

#### Work Step by Step

$C=2\pi r$
$C=2\pi (4)$
$C=8\pi$
$A=\pi r^2$
$A=\pi (4)^2$
$A=16\pi$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$C=8\pi$ in.
$A=16\pi$ in.$^2$

$C=2\pi r$
$C=2\pi (4)$
$C=8\pi$
$A=\pi r^2$
$A=\pi (4)^2$
$A=16\pi$

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