Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 9 - Review Exercises - Page 446: 4

Answer

T=468 cm$^2$ V=648 cm$^3$

Work Step by Step

l=3+w 360=2(12)(w)+2(12)(3+w) 360=24w+72+24w 48w=288 w=6 l=3+6=9 T=360+2(9)(6) T=360+108 T=468 V=6(9)(12) V=648
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