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Find the central angle which forms a sector of area 9 square miles of a circle of radius 7 miles.
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Find the central angle which forms a sector of area 9 square miles of a circle of radius 7 miles.

User Peter Karlsson
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Area of sector=(1/2)r^2*theta=9
theta=9/(r^2/2)=9/(25/2=18/25
theta=18/25 radians
User Amin Guermazi
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