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 - Page 177: 13


A=16$\pi$ cm$^2$$\approx$50 cm$^2$ C=8$\pi$ cm$\approx$25 cm

Work Step by Step

A=$\pi$r$^2$ A=$\pi$(4)$^2$ A=$\pi$16 A=16$\pi$ cm$^2$$\approx$50 cm$^2$ C=2$\pi$r C=2$\pi$(4) C=8$\pi$ cm$\approx$25 cm
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