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OpenStudy (anonymous):
In a circle of radius 10 cm, a sector has an area of 40 sq. cm. What is the degree measure of the arc of the sector?
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ganeshie8 (ganeshie8):
40 x (360/ pi x 10 x 10)
OpenStudy (anonymous):
its 40 pi not 40 sq. cm. sorry! about that
ganeshie8 (ganeshie8):
haha cool.. that makes life even simpler right... pi cancels out top & bottom and answer is 4 x 36 = 144 degrees
OpenStudy (anonymous):
ohh haha okay! im glad i can make your life simpler
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