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: 18

Answer

About 8.94 inches

Work Step by Step

l$^2$=4$^2$+8$^2$ l$^2$=80 l$\approx$8.94
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