Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Appendix A - A.2 - Formulas and Equations - Exercises - Page 540: 33

Answer

$w = 4$

Work Step by Step

$S = 2ℓw + 2wh + 2ℓh$ $148 = 2(5)w + 2(6)w + 2(5)(6)$ $148 = 10w + 12w + 60$ $148 = 22w + 60$ $88 = 22w$ $w = \frac{88}{22}$ $w = 4$
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