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This page is about Face of Polyhedron. For other uses, see Face.


The faces of a polyhedron are the polygons which contain it.

In the words of Euclid:

An extremity of a solid is a surface.

(The Elements: Book $\text{XI}$: Definition $2$)

Also known as

The faces of a polyhedron can also be referred to as its sides, but this may be confused with its edges.

Hence this usage will not be found on $\mathsf{Pr} \infty \mathsf{fWiki}$.

Also see

  • Results about faces of polyhedra can be found here.