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← Three Dimensional Figures and Cross Sections
Concept

Polyhedron

A polyhedron is a three-dimensional figure whose surfaces are polygons. Each of these polygons is a face of the polyhedron. An edge is a segment formed by the intersection of two faces. A vertex is a point where three or more edges meet.
A polyhedron
Some common examples of polyhedrons are cubes, prisms, and pyramids.
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