Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 6 - Section 6.1 - Angle Measure - 6.1 Exercises - Page 479: 61

Answer

5.73 m

Work Step by Step

Given- angle, $\theta$ = $\frac{5\pi}{6}$ rad arc, s = 15 m radius, r = ? We know that - r = $\frac{s}{\theta}$ = $ \frac{15}{5\pi/6}$ = $15\times \frac{6}{5\pi}$ = $\frac{18}{\pi}$ = $\frac{18}{3.14}$ = 5.73 m
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