Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 9 - Section 9.2 - Pyramids, Area, and Volume - Exercises - Page 408: 34

Answer

16 ft

Work Step by Step

LA=8(.5)(10)(l) 800=40l l=20 h$^2$=l$^2$-a$^2$ h$^2$=400-144 h$^2$=256 h=16
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