Elongated pentagonal pyramid
- Elongated pentagonal pyramid
Infobox_Polyhedron with net
Polyhedron_Type=Johnson
J8 - J9 - J10
Face_List=5 triangles
5 squares
1 pentagon
Edge_Count=20
Vertex_Count=11
Symmetry_Group="C"5v
Vertex_List=5(42.5)
5(32.42)
Dual=self
Property_List=
In geometry, the elongated pentagonal pyramid is one of the Johnson solids ("J"9). As the name suggests, it can be constructed by elongating a pentagonal pyramid ("J"2) by attaching a pentagonal prism to its base.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
Bold text=External links=
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* [http://www.lifeisastoryproblem.org/explore/net_elong_penta_pyramid.pdf Printable Geometric Net of an Elongated Pentagonal Pyramid] [http://www.lifeisastoryproblem.org Life is a Story Problem.org]
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