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OpenStudy (anonymous):
What is the radius of a circle with a sector area of 7pi sq. ft. and an arc whose measure is 70°?
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OpenStudy (anonymous):
The formula for the area of a sector is: A= (pi) r2. So, if you substitue all of the values you already have, you should get your answer.
OpenStudy (anonymous):
And then you should make 'r' the subject of the formula to get your answer
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