Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.1 Introduction to Algebra - 1.1 Exercise Set: 89

Answer

perimeter = $2l+2w$

Work Step by Step

A rectangle is a 4-sided figure where opposite sides are equal in length. The perimeter of a rectangle is the sum of the lengths of the sides. If the length of a rectangle is l, there are 2 sides that have a length of l. If the width of a rectangle is w, there are 2 sides that have a width of w. The sum of the lengths of the 4 sides is then $l+l+w+w$ or $2l+2w$.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.