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: 94


$4.71\text{ cm}^2$

Work Step by Step

Here, $r$ denotes the radius of the sector of the circle. The Area $A$ of sector can be computed using the fomrula $A=\frac{\theta}{360}\cdot \pi \cdot r^2$ where $\theta$ is the central angle in degrees. Use the formula above to obtain $A=\frac{60}{360}\cdot \pi \cdot 3^2=1.5\pi\approx4.71\text{ cm}^2$
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