Answer
$10\ unit^2$
Work Step by Step
Given $s=5$, we have $\theta=\frac{5}{4}$ and the area $A=\frac{1}{2}r^2\theta=\frac{1}{2}(4)^2(\frac{5}{4})=10\ unit^2$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 12 - Counting and Probability - Section 12.2 Permutations and Combinations - 12.2 Assess Your Understanding - Page 876: 67
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