Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 11 - Surface Area and Volume - Algebra Review: 1

Answer

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

Work Step by Step

C=2$\pi$r Divide both sides by 2$\pi$. $\frac{C}{2\pi}$=r
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