Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.1 Angles and Their Measure - 6.1 Assess Your Understanding: 73

Answer

$r=6$ ft

Work Step by Step

The arc length can be computed using the formula $s=r\cdot \theta.$ Substitute the given values into the formula above to obtain: $2=r\cdot\frac{1}{3}\\ 2\cdot3=r\\ 6=r$
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