Elongated pentagonal cupola
- Elongated pentagonal cupola
Infobox_Polyhedron
Polyhedron_Type=Johnson
J19 - J20 - J21
Face_List=5 triangles
3.5 squares
1 pentagon
1 decagon
Edge_Count=45
Vertex_Count=25
Symmetry_Group="C"5v|
Vertex_List=10(42.10)
10(3.43)
5(3.4.5.4)
Dual=-
Property_List=convex
In geometry, the elongated pentagonal cupola is one of the Johnson solids ("J"20). As the name suggests, it can be constructed by elongating a pentagonal cupola ("J"5) by attaching a decagonal prism to its base. The solid can also be seen as an elongated pentagonal orthobicupola ("J"38) with its "lid" (another pentagonal cupola) removed.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
External links
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Elongated pentagonal gyrocupolarotunda — Infobox Polyhedron Polyhedron Type=Johnson J40 J41 J42 Face List=3.5 triangles 3.5 squares 2+5 pentagons Edge Count=70 Vertex Count=35 Symmetry Group= C 5v Vertex List=10(3.43) 10(3.42.5) 5(3.4.5.4) 2.5(3.5.3.5) Dual= Property List=convexIn… … Wikipedia
Elongated pentagonal gyrobicupola — Infobox Polyhedron Polyhedron Type=Johnson J 38 J39 J40 Face List=10 triangles 2.10 squares 2 pentagons Edge Count=60 Vertex Count=30 Symmetry Group= D 5d Vertex List=20(3.43) 10(3.4.5.4) Dual= Property List=convexIn geometry, the elongated… … Wikipedia
Elongated pentagonal orthocupolarotunda — Infobox Polyhedron Polyhedron Type=Johnson J39 J40 J41 Face List=3.5 triangles 3.5 squares 2+5 pentagons Edge Count=70 Vertex Count=35 Symmetry Group= C 5v Vertex List=10(3.43) 10(3.42.5) 5(3.4.5.4) 2.5(3.5.3.5) Dual= Property List=convexIn… … Wikipedia
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Johnson solid — The elongated square gyrobicupola (J37), a Johnson solid … Wikipedia
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Polyèdres de Johnson — Solide de Johnson La gyrobicoupole octogonale allongée (J37), un solide de Johnson … Wikipédia en Français
Solide de Johnson — La gyrobicoupole octogonale allongée (J37), un solide de Johnson … Wikipédia en Français
Solide de johnson — La gyrobicoupole octogonale allongée (J37), un solide de Johnson … Wikipédia en Français
