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

Sanai Ball 2022-10-09 Answered
Find the radius of a circle with a circumference of 45 π centimeters
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Answers (1)

beshrewd6g
Answered 2022-10-10 Author has 12 answers
The formula of a circumference of a circle:
C = 2 π r
r-radius
We have the circumference
C = 45 π   c m
Substitute:
2 π r = 45 π  divide both sides by  π 2 r = 45  divide both sides by 2  r = 22.5   c m
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