Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.3 - Area and Volume - Exercise - Page 17: 7



Work Step by Step

If you break them, into 3 boxes: 6x9, 4x3, and 2x9 and simply add all of the answers for the areas. You get the final answer. 54+12+18=84
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