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It depends. If it gives you the Radius or if it gives you the Diameter.

Ex for radius. C=2*3.14*R

Ex for Diameter. C=3.14*D

However, remember that 3.14 is an approximation of Pi.

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10y ago
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14y ago

multiply 3.14 times the diameter. if u have a radius, double it.

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Q: How do you get the circumference of a circle?
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