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Encyclopedia > Pentagonal pyramid
Pentagonal pyramid
Type Johnson
J1 - J2 - J3
Faces 5 triangles,
1 pentagon
Edges 10
Vertices 6
Vertex configuration 1 x 35
5 x 32.5
Symmetry group C5
Dual polyhedron self
Properties convex
Net of Pentagonal pyramid

Net of Pentagonal pyramid


In geometry, the Pentagonal pyramid is one of the Johnson solids (J2). Like any pyramid it is self-dual.


The 92 Johnson solids were named and described by Norman Johnson in 1966.


External links

  • Johnson Solid -- from MathWorld (http://mathworld.wolfram.com/JohnsonSolid.html)

 

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