Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 1, Equations and Inequalities - 1.4 Rewrite Formuilas and Equations - 1.4 Exercises - Skill Practice - Page 31: 18


See below.

Work Step by Step

$A=2\pi rw\\r=\frac{A}{2\pi w}$ Thus plugging in $A=120,w=4$: $r=\frac{120}{2\pi 4}=\frac{15}{\pi}\approx 4.8$
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.