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 - Page 362: 88


$s=2.094$ meters $A=4.189$ square meters

Work Step by Step

$s=r\times\theta$ $s=4\times\frac{\pi}{6}$ meters Therefore $s=2.094$ meters $A=\frac{1}{2}\theta r^{2}$, where the angle, $\theta$ measured in radians $A=\frac{1}{2}(\frac{\pi}{6}) (4)^{2}$ $A=4.189$ square meters
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