Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Review Exercises: 58

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$
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