#### Answer

r = $\frac{C}{2\pi}$

#### Work Step by Step

Solve for r by isolating it to one side of the equation
C = 2$\pi$r
Divide both sides by 2$\pi$:
$\frac{C}{2\pi}$ = r

Published by
Pearson

ISBN 10:
0321726391

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

r = $\frac{C}{2\pi}$

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