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$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
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
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