Biaugmented triangular prism

Biaugmented triangular prism
Type Johnson
J49 - J50 - J51
Faces 3x2+4 triangles
1 square
Edges 17
Vertices 8
Vertex configuration 2(35)
2(34)
4(33.4)
Symmetry group C2v
Dual polyhedron -
Properties convex
Net

In geometry, the biaugmented triangular prism is one of the Johnson solids (J50). As the name suggests, it can be constructed by augmenting a triangular prism by attaching square pyramids (J1) to two of its equatorial faces.

A Johnson solid is one of 92 strictly convex polyhedra that have regular faces but are not uniform (that is, they are not Platonic solids, Archimedean solids, prisms, or antiprisms). They were named by Norman Johnson, who first listed these polyhedra in 1966.[1]

It is related to the augmented triangular prism (J49) and the triaugmented triangular prism (J51).

  • Weisstein, Eric W. "Johnson Solid". MathWorld.
    • Weisstein, Eric W. "Biaugmented triangular prism". MathWorld.
  1. ↑ Johnson, Norman W. (1966), "Convex polyhedra with regular faces", Canadian Journal of Mathematics, 18: 169–200, doi:10.4153/cjm-1966-021-8, MR 0185507, Zbl 0132.14603 .
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