Elongated triangular pyramid
- Elongated triangular pyramid
Infobox_Polyhedron with net
Polyhedron_Type=Johnson
J6 - J7 - J8
Face_List=1+3 triangles
3 squares
Edge_Count=12
Vertex_Count=7
Symmetry_Group="C"3v
Vertex_List=1(33)
3(3.42)
3(32.42)
Dual=self
Property_List=
In geometry, the elongated triangular pyramid is one of the Johnson solids ("J"7). As the name suggests, it can be constructed by elongating a tetrahedron by attaching a triangular prism to its base. Like any elongated pyramid, the resulting solid is self-dual.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
External links
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* [http://www.lifeisastoryproblem.org/explore/net_elong_triangular_pyramid.pdf Printable Geometric Net of an Elongated Triangular Pyramid] [http://www.lifeisastoryproblem.org Life is a Story Problem.org]
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