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pr r^2

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Q: What is the equation for the circumference of a sphere?
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What is the equation for finding the radius of a sphere when you know the circumference?

The equation for circumference is C=2(pi)(r) where C is the circumference and r is the radius. You can find the radius by plugging in the circumference into this equation and solving the equation.


What is the circumference of a sphere with a diameter of 20 inches?

The circumference of the sphere is ~62.831 inches.


How do you find a circumference of baseball in radius?

A baseball is a sphere, and circumference is for 2D figures..... If you were to turn it into a 2D figure, then the equation would be: Circumference = 2 x 3.14r, or if you have the diameter, C = d x 3.14


What is the formula for the circumference of a sphere?

C = 2(pi) r circumference of a sphere = 2*pi*radius or pi*diameter (Any circular circumference is the same for a perfect sphere.)


How do you find the circumference of a sphere?

Circumference = π * Diameter


What is diameter and circumference?

Diameter is distance across a circle or sphere, circumference is the distance around a circle or sphere


What does the radius of a sphere join?

The radius of a sphere joins the center of the sphere to its circumference.


Does a sphere have a length?

Yes because a sphere has a circumference and a diameter.


What divides a sphere into two hemispheres?

Its circumference divides a sphere into hemispheres.


What does the diameter of the sphere join?

The diameter joins together the circumference of the sphere and it passes through the center of the sphere.


What is the circumference of satum?

Circumference of a sphere = 2*pi*radius or diameter*pi


What is the distance around a sphere called?

The circumference.