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A sphere does not have a perimeter. It can have a diameter a circumference or a surface area (or volume but that isn't discussed here.

The diameter of a sphere is two times the radius (r): so the formula would be

2r...or...2 x r

The circumference (C) of a sphere is equal to 6.2832 times the Radius, where 6.2832 is twice Pi (): so the formula would be

C = 2r...or...C = 2 x x r

The area of a sphere is equal to the Square of the Radius of the sphere multiplied by 12.566 (4 times ): so the formula would be

4 * * R * R
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Q: What is the formula for finding perimeter of sphere?
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