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In a​ circle, a 315 sector has area 504piin2. What is the radius of the​ circle?

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Answer:

Explanation:

θ = 315°×π/180° = 1.75π radians

area of circle = (area of sector)2π/θ

= (504π)2π/θ

= 576π in²

576π = πr²

r = √576 = 24 in

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