# Definition:Geometric Figure/Three-Dimensional Figure/Face

< Definition:Geometric Figure | Three-Dimensional Figure(Redirected from Definition:Face of Solid Figure)

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## Definition

The **faces** of a three-dimensional figure are the surfaces which form its extremities.

In the words of Euclid:

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

## Also see

- Definition:Face of Polyhedron: when the three-dimensional figure is a polyhedron, the
**faces**are polygons.