Parabiaugmented Dodecahedron
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Parabiaugmented Dodecahedron
Parabiaugmented dodecahedron
Parabiaugmented dodecahedron.png
J58 - J59 - J60
Faces10 triangles
10 pentagons
Vertex configuration10(53)
Symmetry groupD5d
Dual polyhedron-
Johnson solid 59 net.png

In geometry, the parabiaugmented dodecahedron is one of the Johnson solids (J59). It can be seen as a dodecahedron with two pentagonal pyramids (J2) attached to opposite faces. When pyramids are attached to a dodecahedron in other ways, they may result in an augmented dodecahedron, a metabiaugmented dodecahedron, a triaugmented dodecahedron, or even a pentakis dodecahedron if the faces are made to be irregular.

The dual of this solid is the Gyroelongated pentagonal bifrustum. A Johnson solid is one of 92 strictly convex polyhedra that is composed of regular polygon faces but are not uniform polyhedra (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]

External links

  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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