Calculus: Early Transcendentals 9th Edition

Published by Cengage Learning
ISBN 10: 1337613924
ISBN 13: 978-1-33761-392-7

APPENDIX D - Trigonometry - D Exercises - Page A 34: 16

Answer

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

Work Step by Step

We use the formula $s=θr$. We solve 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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