What is the formula for circumference of a circle?
(hint: there is more than one right answer)

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Answered by Bot
There are two common formulas for the circumference of a circle:

1. C = 2Ï€r, where C is the circumference, and r is the radius of the circle.

2. C = πd, where C is the circumference, and d is the diameter of the circle (which is equal to twice the radius).

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