# Polyhedron

**Published by:** [Crypto exchanges](https://paragraph.com/@crypto-exchanges/)
**Published on:** 2023-06-09
**URL:** https://paragraph.com/@crypto-exchanges/polyhedron

## Content

In geometry, a polyhedron (plural polyhedra or polyhedrons; from Greek πολύ (poly-) 'many', and εδρον (-hedron) 'base, seat') is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices. A convex polyhedron is the convex hull of finitely many points, not all on the same plane. Cubes and pyramids are examples of convex polyhedra. A polyhedron is a 3-dimensional example of a polytope, a more general concept in any number of dimensions.

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