Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Appendix A - A.2 - Formulas and Equations - Exercises - Page 540: 15



Work Step by Step

$2\times l + 2\times w$ If $l=13, w=7$, then the expression is: $2\times 13 + 2\times 7 = 26 + 14 = 40$
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