Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapters 1-3 - Cumulative Review Exercises - Page 261: 11

Answer

Estimate: 20+9+5+20+9+5 = 68ft Exact : 64 ft.

Work Step by Step

We need to find the perimeter, so we need to add the all boundaries. Let's First Find Estimate: 18 (Round off to) 20 9 (Round off to) 9 5 (Round off to) 5 Perimeter = 20+9+5+20+9+5 = 68ft Now Let's find Exact: 18+9+5+18+9+5 = 64 ft
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