Answer
A = 0.81 km$^{2}$
P = 3.6 km
Work Step by Step
Perimeter = P
P = 4$s$
P = 4 * 0.9 km
P = 3.6 km
Area = A
A = s$^{2}$
A = 0.9 km$^{2}$
A = 0.81 km$^{2}$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 8 - Geometry - 8.3 Rectangles and Squares - 8.3 Exercises - Page 550: 5
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