Question 464014
The area of a sector of a circle with a central angle of 150 degrees is 9ft^2 . Find the radius of the circle.
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Total Area of the circle = (360/150)(9 ft^2)
= 21.6 ft^2
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Area = pi*r^2
21.6 = pi*r^2
r = sqrt[21.6/pi] 
radius = 2.6222..
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Cheers,
Stan H.
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