Thinking Mathematically (6th Edition)

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

Chapter 10 - Geometry - 10.3 Polygons, Perimeter, and Tessellations - Exercise Set 10.3: 17

Answer

27 ft.

Work Step by Step

RECALL: The perimeter of a polygon is equal to the sum of the lengths of all its sides. Add the lengths of all the sides of the triangle to find the perimeter: perimeter = $9+7+11= 27$ feet
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