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Mathematics 8 Online
OpenStudy (anonymous):

What is the ratio of the radius of a circle to its circumference? 12π 1πr 1π 2π

OpenStudy (anonymous):

\[C=2\pi r\]

OpenStudy (anonymous):

So Circumference is 2 pi times greater than radius

OpenStudy (anonymous):

1 pi

OpenStudy (anonymous):

when the circumference is 12pi, then the radius = 12 pi / (2 pi)

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