Triangular cupola
| Triangular cupola | |
|---|---|
| Type | Johnson J2 - J3 - J4 |
| Faces | 1+3 triangles 3 squares 1 hexagon |
| Edges | 15 |
| Vertices | 9 |
| Vertex configuration | 6(3.4.6) 3(3.4.3.4) |
| Symmetry group | C3v |
| Dual polyhedron | - |
| Properties | convex |
| Net | |
In geometry, the triangular cupola is one of the Johnson solids (J3). It can be seen as half a cuboctahedron.
The 92 Johnson solids were named and described by Norman Johnson in 1966.
Contents |
Formulae
The following formulae for the volume and surface area can be used if all faces are regular, with edge length a:[1]
Dual polyhedron
The dual of the triangular cupola has 12 triangular faces:
| Dual triangular cupola | Net of dual |
|---|---|
References
- ^ Stephen Wolfram, "Triangular cupola" from Wolfram Alpha. Retrieved July 20, 2010.