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 423: 30

Answer

402.49 ft$^2$

Work Step by Step

l$^2$=a$^2$+h$^2$ l$^2$=56.25+225 l$^2$=281.25 l$\approx$16.77 LA=12(.5)(4)(16.77) LA=402.49
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