Answer
The perimeter is 124 ft.
Work Step by Step
The square has its four sides equal to each other. So if one is 31 ft, the others are 31 ft too. So the perimeter is 31 + 31 + 31 + 31 = 124
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.3 - Adding and Subtracting Whole Numbers, and Perimeter - Exercise Set - Page 30: 91
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