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 - Section 2.6 - Problem Solving in Geometry - Exercise Set: 14

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
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