The circumference is the total distance around a circle.
To find the circumference of a circle, use this circle
Circle Circumference = 2 x Pi x r
Pi = 3.1416
r = radius of the circle
The radius is a measurement of length.
Example: The circumference of a circle with a radius(r) of 3 inches is:
2 x 3.1416 x 3
Calculated out this
gives a circumference of 18.8496 Inches.
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