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one circle has a circumference of 12 pi . another circle has a circumference of 32 pi . what is the ratio of the radius of the smaller circle to the radius of the larger circle?
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one circle has a circumference of 12 pi . another circle has a circumference of 32 pi . what is the ratio of the radius of the smaller circle to the radius of the larger circle?

User SansSpoon
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1 Answer

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circumference=pi * 2 radius=12pi, radius(small)=6;
circumference=pi * 2 radius=32pi, radius(small)=16;
6:16=3:8
User Gabrielle
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