Answer
C=20$\pi$$\approx$63 m
A=100$\pi$$\approx$314 m$^2$
Work Step by Step
2r=d
2r=20
r=$\frac{20}{2}$
r=10
C=d$\pi$
C=10$\pi$$\approx$63 m
A=$\pi$r$^2$
A=$\pi$10$^2$
A=$\pi$(100)
A=100$\pi$$\approx$314 m$^2$
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 - Review Exercises - Page 205: 58
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