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
$A=\pi r^2=\pi(3^2)=9\pi$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 1 - Tools of Geometry - Chapter Review - Page 74: 40
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