Category:Faces

This category contains results about Faces.
Definitions specific to this category can be found in Definitions/Faces.

• Graph Theory:
  • The faces of a planar graph are the areas which are surrounded by edges.

• Solid Geometry:
  • The faces of a polyhedron or the faces of another solid figure are the surfaces that form its extremities.
  • The faces of a polyhedral angle: each of the planes bounded by its defining half-lines.