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Mathematics 9 Online
OpenStudy (anonymous):

What is the radius of of a circle with a circumference of 36π cm? A. 18 cm B. 36 cm C. 18π cm D. 72 cm

OpenStudy (anonymous):

Circumference = Pi times diameter So your equation reads C=36Pi 36 is the diameter. The radius is the diameter divided by 2, so the answer would be...

OpenStudy (skullpatrol):

$$\Huge C=2\pi r$$

OpenStudy (anonymous):

so the ans is A

OpenStudy (skullpatrol):

@Nurali why are you giving the answer away?

OpenStudy (skullpatrol):

Do you understand the answer @72595210002 ?

OpenStudy (anonymous):

yes

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