Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 10 - Section 10.1 - The Rectangular Coordinate System - Exercises - Page 457: 37a



Work Step by Step

The one about the x-axis will have a radius of 9, for the point (0,9) is the one moving. Thus: $V= (1/3)(\pi)(9^2)(5) = 135\pi$
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