Precalculus (10th Edition)

by Sullivan, Michael

Published by Pearson

ISBN 10: 0-32197-907-9

ISBN 13: 978-0-32197-907-0

Appendix A - Review - A.1 Algebra Essentials - A.1 Assess Your Understanding - Page A13: 132

Answer

$P=2(l+w)$.

Work Step by Step

The perimeter is $=P$. The length is $=l$. The width is $=w$. Twice the sum of its length and its width is $=2(l+w)$. Perimeter is equal to twice the sum of the length and the width. $P=2(l+w)$.

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