Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 6 - The Circular Functions and Their Graphs - 6.1 Radian Measures - 6.1 Exercises: 5

Answer

$\pi$ units

Work Step by Step

RECALL: The length of the arc $s$ intercepted by a central angle $\theta$ on a circle with radius $r$ is given by the formula: $s=r\theta$ Use the formula above to obtain: $s=4(\dfrac{\pi}{4})$ $\\s=\pi$ units
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