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 - Page 422: 24b

Answer

265

Work Step by Step

We use the length of the apothem and the lateral area found in part a to obtain: $ A = 172 + (1/2)(36)(3\sqrt{3}) = 265$
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