## Number of Edges on a Cube

**How many edges does a cube have?**

**12.**

A cube has 12 edges. In planar geometry an edge is defined to be ‘Ëœa boundary of a plane geometric figure’â„¢. Since a cube consists of 6 faces, or planes, each plane intersects another 4 times, but to account for redundant edges we divide this by 2, so we get 12 edges.

This fact is verified on : March 15, 2010.