Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises: 25

Answer

Total Broadcast Area: 70,650 mi$^{2}$

Work Step by Step

We will treat the distance of the radio signal as the radius of a circle since it is the same in all directions. Area of a Circle: $A$ = $\pi$$r$$^{2}$ Therefore: $A$ = $\pi$(150 mi)$^{2}$ $A$ = 70,650 mi$^{2}$
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