Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 12 - Section 12.6 - Radian Measure - Exercise - Page 418: 23

Answer

$8.83~cm$

Work Step by Step

Using the relation $s=r\theta$, we have $r=\frac{s}{\theta}$; that is $$ r=\frac{s}{\theta}= \frac{18.5}{2\pi/3}=8.83~cm .$$
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