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A circle has a circumference of 9π what is the diameter?
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A circle has a circumference of 9π what is the diameter?

User Frolik
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1 Answer

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C=πd where C=circumference, π=the constant pi, and d=diamter

d=C/π and since we are told that C=9π

d=9π/π

d=9
User Mlschechter
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