Answer
The perimeter is 90 km
Work Step by Step
The top side is equal to the sum of all bottom sides.
Top side = 12 + 6 = 18km
The right side is equal to all left sides
Right side - 22 + 5 = 27km
Perimeter = 18 + 18 + 27 + 27 = 90 km
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 9 - Section 9.2 - Perimeter - Exercise Set - Page 621: 34
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