Difference between revisions of "Sphere"
| Line 13: | Line 13: | ||
{{stub}} | {{stub}} | ||
| + | |||
| + | [[Category:Solids]] | ||
Revision as of 14:24, 4 December 2007
A sphere is the collection of points in space which are equidistant from a fixed point. This point is called the center of the sphere. The common distance of the points of the sphere from the center is called the radius.
Spheres are the natural 3-dimensional analog of circles.
The volume of a sphere is 
, where r is the radius of the sphere.
The surface area of a sphere is 
, where r is the radius.
See also
This article is a stub. Help us out by expanding it.
