Answer
$r=\frac{C}{2\pi}$
Work Step by Step
We are given that $C=2\pi r$. In order to solve for r, we can divide both sides by $2\pi$.
$r=\frac{C}{2\pi}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 2 - Section 2.3 - Formulas and Problem Solving - Exercise Set - Page 73: 15
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