Answer
A=81$\pi$ m$^2$$\approx$254 m$^2$
C=18$\pi$ m$\approx$57 m
Work Step by Step
A=$\pi$r$^2$
A=$\pi$(9)$^2$
A=$\pi$81
A=81$\pi$ m$^2$$\approx$254 m$^2$
C=2$\pi$r
C=2$\pi$(9)
C=18$\pi$ m$\approx$57 m
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Section 2.6 - Problem Solving in Geometry - Exercise Set - Page 177: 14
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