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

Find the radius of a circle with a circumference of 45pi
asked 117k views
3 votes
Find the radius of a circle with a circumference of 45pi

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User PrashanD
by
8.3k points

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
answered
User Arthur Reutenauer
by
8.0k points
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