SOLUTION: A sector of a circle of radius 18 mi has an area of 162 mi^2. Find the central angle of the sector.

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Question 871176: A sector of a circle of radius 18 mi has an area of 162 mi^2. Find the central angle of the sector.
Answer by stanbon(75887) About Me  (Show Source):
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A sector of a circle of radius 18 mi has an area of 162 mi^2. Find the central angle of the sector.
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Let the angle-measure of the sector be "x"::
Equation:
Area of sector = (x/360)(pi*18^2) = 162 sq mi
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(x/360) = 0.1592
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x = 57.30 degrees
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Cheers,
Stan H.
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