How do you calculate surface area to volume ratio of a cube?

1 Answer
Ernest Z.
Jul 4, 2015

The surface area to volume ratio is "1/3r":1, where r is the radius of the sphere.

Explanation:

The formula for the volume of a sphere is

V = 4/3πr^3, where r is the radius of the sphere.

The formula for the area of a sphere is.

A = 4πr^2

So the surface area to volume ratio is

"SA"/"V" = ((cancel(4π)r^2)/3)/(cancel("4π")r^3) = 1/(3r)

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