Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Entry-Level Assessment - Multiple Choice - Page xxxix: 10

Answer

G

Work Step by Step

We isolate r in the equation: $c=2\pi r$ $c\div 2\pi = r$
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