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Circle o has a circumference of 36π cm.what is the length of the radius, r?

Circle o has a circumference of 36π cm.what is the length of the radius, r?
asked 120k views
1 vote
Circle o has a circumference of 36π cm.what is the length of the radius, r?

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User Bobthecow
by
8.3k points

1 Answer

2 votes
Since we know that:
C = 2πr
(With C = 36π ; Substitute in to the equation)

36π = 2πr (dividing both sides by 2π)
r = 18 cm
answered
User GiveMeAllYourCats
by
8.3k points
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