Sphere (geometry)
Jump to navigation
Jump to search
![](http://s9.addthis.com/button1-share.gif)
![](/wiki/images/9/94/240px-Sphere.png)
A ball is spherical in shape.
A sphere is a three-dimensional surface, consisting of all points that are a certain distance away from a fixed point. The fixed point is the center of the sphere, and the distance from the center to the surface is the radius of the sphere.