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What is the area of the circle with a radius of 21 in . and a circumference of 131.88 in ?
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What is the area of the circle with a radius of 21 in . and a circumference of 131.88 in ?

User Aylin
by
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1 Answer

5 votes
Area= pi times the radius squared.
So 21^2 x pi = 1385.4 in^2
User Pavlin
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