Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix D - Trigonometry - D Exercises: 16

Answer

$\frac{8}{\pi}$ cm

Work Step by Step

We use the formula $s=θr$ We re-arrange the formula for $r$: $r=\frac{s}{θ}$ We plug in the given values and simplify: $r=\frac{6}{\frac{3\pi}{4}}=\frac{4\times6}{3\pi}=\frac{8}{\pi}$ cm
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