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

**2.**

A cylinder has two edges. This however is applicable only if the edge is defined in terms of plane geometry as ‘Ëœa boundary of a plane geometric figure’â„¢. In terms of polyhedra, where an edge is ‘Ëœa straight line that is the intersection of two faces of a solid figure’â„¢, a cylinder has no edge. This is according to the University of Drexel’â„¢s the Math Forum

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