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Find the radius of a circle with a circumference of 45pi
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Find the radius of a circle with a circumference of 45pi

User PrashanD
by
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1 Answer

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c=2pir
45pi=c

45pi=2pir
divide both sides by pi
45=2r
divide by 2
22.5=r

22.5 units
User Arthur Reutenauer
by
6.5k points
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