From Wikipedia, the free encyclopedia Triangular cupola
Triangular cupola
Dual triangular cupola Net of dual
Triangular cupola
In geometry, the triangular cupola is one of the Johnson
solids (J3). It can be seen as half a cuboctahedron.
Type Johnson The 92 Johnson solids were named and described by
J2 - J3 - J4
Norman Johnson in 1966.
Faces 1+3 triangles
3 squares
1 hexagon Formulae
Edges 15 The following formulae for the volume and surface area
can be used if all faces are regular, with edge length a:[1]
Vertices 9
Vertex configuration 6(3.4.6)
3(3.4.3.4)
Symmetry group C3v
Dual polyhedron -
Properties convex
Dual polyhedron
Net The dual of the triangular cupola has 12 triangular faces:
References
[1] Stephen Wolfram, "Triangular cupola" from
Wolfram Alpha. Retrieved July 20, 2010.
External links
• Eric W. Weisstein, Triangular cupola (Johnson solid) at
MathWorld.
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From Wikipedia, the free encyclopedia Triangular cupola
Retrieved from "http://en.wikipedia.org/w/index.php?title=Triangular_cupola&oldid=455153056"
Categories:
• Polyhedron stubs
• Prismatoid polyhedra
• Johnson solids
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