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OpenStudy (anonymous):
What is the radius of a circle when ∠COD = 40° and the area of sector COD = 9π?
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OpenStudy (anonymous):
OpenStudy (raden):
40/360 = 9Ï€/area of circle 40/360 = 9Ï€/Ï€r^2 1/9 = 9/r^2 solve for r
OpenStudy (anonymous):
@RadEn can you help me, i really don't get this..
OpenStudy (raden):
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