A prism is a polyhedron, which consists of two flat polygons lying in different planes and aligned by parallel translation, and all segments connecting the corresponding points of these polygons. Polygons are called
prism bases , and the segments connecting the corresponding vertices are called
lateral edges of the prism .
Prism properties:
1. The bases of the prism are equal and lie in parallel planes.
2. The side edges are parallel and equal.
The surface of the prism consists of bases and a side surface.
The lateral surface consists of parallelograms.
The height of the prism is the distance between the planes. A segment connecting two vertices of a prism that do not belong to the same face is called a
diagonal of a prism .
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