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 (J58), a metabiaugmented dodecahedron (J60), a triaugmented dodecahedron (J61), 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]
^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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In geometry, the parabiaugmenteddodecahedron is one of the Johnson solids (J59). It can be seen as a dodecahedron with two pentagonal pyramids (J2) attached...
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a dodecahedron in other ways, they may result in an augmented dodecahedron (J58), a parabiaugmenteddodecahedron (J59), a triaugmented dodecahedron (J61)...
attached, the result may be a parabiaugmenteddodecahedron (J59), a metabiaugmented dodecahedron (J60), or a triaugmented dodecahedron (J61). A Johnson solid...
dodecahedron in other ways, they may result in an augmented dodecahedron (J58), a parabiaugmenteddodecahedron (J59), a metabiaugmented dodecahedron (J60)...
faces meeting around each vertex. Its dual polyhedron is the regular dodecahedron {5, 3} having three regular pentagonal faces around each vertex. The...
faces, and meta- the latter, altered oblique faces. For example, a parabiaugmented solid has had two parallel faces augmented, and a metabigyrate solid...
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