Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 6 - 6.1 - Angles and Their Measure - 6.1 Exercises - Page 432: 91


12.27 $ km^ 2 $

Work Step by Step

We know that the area is equal to: $$A=\pi r^2 \times \frac{\theta}{360\ degrees}$$ Thus, it follows: $$A=\pi (2.5)^2 \times \frac{225\ degrees}{360\ degrees}=12.27$$
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