Elementary Geometry for College Students (5th Edition)

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

Chapter 9 - Section 9.2 - Pyramids, Area, and Volume - Exercises: 20b

Answer

172.5

Work Step by Step

We add the area of the base to the lateral area found in part a: $SA = 111 + (1/2)(4.1)(30) = 172.5$
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