Answer
30 cm
Work Step by Step
P = 4 s
P = 4 (7.5 cm) [s is 7.5 cm]
P = 30 cm
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 9 - Basic Algebra - 9.5 Evaluating Expressions and Formulas - 9.5 Exercises - Page 663: 29
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