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: 23

Answer

V=972$\pi$ cm$^3$$\approx$3054 cm$^3$

Work Step by Step

r=$\frac{1}{2}$d r=$\frac{1}{2}$(18) r=9 V=$\frac{4}{3}$$\pi$r$^3$ V=$\frac{4}{3}$$\pi$(9)$^3$ V=$\frac{4}{3}$$\pi$(729) V=$\frac{729(4)}{3}$$\pi$ V=$\frac{2916}{3}$$\pi$ V=972$\pi$ cm$^3$$\approx$3054 cm$^3$
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