The radius of the area of the circular area the cell phone tower services is: 20 miles.
What is the Area of a Circle?
Area = πr² [r = radius of the circle].
The area it services is circular which is, 1,256 square miles. Therefore:
πr² = 1,256
Find r:
(3.14)r² = 1,256
r² = 1,256/3.14
r² = 400
Square both sides
r = 20 miles.
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