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Area of a Circle

Find the rati...

Question

Find the ratio of radius to the circumference of a circle.

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Solution

Radius of the circle $= r$
Circumference of the circle $= 2 π r$
Ratio of radius to the circumference of circle $= \frac{r}{2 π r} = \frac{1}{2 π}$
Therefore ratio is $1 : 2 π$

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