Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - Chapter Review: 40

Answer

circumference is $6\pi\ in$ area is $9\pi\ in^2$

Work Step by Step

use the formula for cirumference $C=2\pi r=2\pi(3)=6\pi$ use the formula for area $A=\pi r^2=\pi(3^2)=9\pi$
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