Definition:Triangular Bipyramid

From ProofWiki
Jump to navigation Jump to search

Definition

A triangular bipyramid is a polyhedron formed by taking two regular tetrahedra and placing their bases together:

TriangularBipyramid.png

The triangular bipyramid is an example of a deltahedron.


Also defined as

A triangular bipyramid can also be defined as the bipyramid formed by placing general non-regular tetrahedra (with congruent bases) together, but this is rarely seen.


Also known as

The term triangular dipyramid can be found at least as frequently as triangular bipyramid.


Sources