From Ellipse To Sphere
Glen A. McKerron
© Definitive Software 1995
This page develops the equation from the general equation of the ellipse by means of "Volume of Revolution" from Integral Calculus. Enter any Radius from 0.01 to 999 in the first box below, and press the Equals button to see:

The Volume of your sphere is 4/3 * $3$ cubic units.