Circumference of a Circle

on . Posted in Plane Geometry

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The circumference of a circle is the total length of the boundary or perimeter of the circle. It is the distance you would travel if you were to walk around the circle.

 

Circumference of a Circle formula

\( C \;=\; 2 \; \pi \; r \)
Symbol English Metric
\( C \) = circumference \( in \) \(mm  \)
\( \pi \) = Pi \(3.141 592 653 ...\)
\( r \) = radius \( in \) \(mm \)

 

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Tags: Circle