Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - Chapter Summary, Review, and Test - Review Exercises: 31

Answer

perimeter = $44 \text{ m}$

Work Step by Step

The height of the polygon is 10 meters. This means that the unknown vertical side length is: $=10-2 = 8$ m The width of the polygon is 12 meters. This means that the unknown horizontal side length is: $=12 - 7 = 5$ m The perimeter of a polygon is equal to the sum of all the lengths of its sides. Thus, the perimeter of the polygon is: $=(12 + 10 + 7 + 8 + 5 + 2) \text{ m} \\=44 \text{ m}$
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