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: 58

Answer

Required length of arc = 8.37 m

Work Step by Step

Given- angle, $\theta$ = $ 40 $ degrees = $(40\times\frac{\pi}{180})$ rad = $\frac{2\pi}{9}$ rad radius, r = 12 m arc, s = ? We know that - s = r $\theta$ = $ 12 \times \frac{2\pi}{9}$ = $ 12\times \frac{2\times3.14}{9}$ = 8.37 m
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