What is the circumference of a circle formula?
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The formula for circumference of a circle
C = 2πr
Where:
- C is the circumference of the circle,
- π (pi) is the mathematical constant approximately equal to 3.14, and
- r is the radius of the circle.
The circumference of a circle is the distance around the edge of the circle. It is equal to 2 times the value of π (pi) multiplied by the radius of the circle.