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Calculate the radius of a circle if it’s circumference is 37.7cm
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4 votes
Calculate the radius of a circle if it’s circumference is 37.7cm

User Lorenz Albert
by
8.1k points

1 Answer

6 votes
Circumference = 2
\pir

Solve for r.

2
\pir = 37.7
Divide both sides by 2.


\pir = 18.85
Divide both sides by
\pi.

r = 6

The radius is 6 cm.
User Jeow Li Huan
by
8.5k points
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