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 | C5v |
| Dual polyhedron | self |
| Properties | convex |
| Net | |
 | |
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.
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