Answer
$r = \frac{C}{2\pi}$
Work Step by Step
We want to solve for $r$, so we divide both sides by $2\pi$:
$\dfrac{C}{2\pi}=\dfrac{2\pi{r}}{2\pi}$
$\dfrac{C}{2\pi}=r$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 5 - Polynomials and Polynomial Functions - 5-8 Polynomial Models in the Real World - Practice and Problem-Solving Exercises - Page 338: 53
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