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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 ‘˜a boundary of a plane geometric figure’™. 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.





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