| Elongated triangular cupola | |
|---|---|
 | |
| Type | Johnson J17 – J18 – J19 |
| Faces | 4 triangles 9 squares 1 hexagon |
| Edges | 27 |
| Vertices | 15 |
| Vertex configuration | 6(42.6) 3(3.4.3.4) 6(3.43) |
| Symmetry group | C3v |
| Dual polyhedron | - |
| Properties | convex |
| Net | |
 | |
In geometry, the elongated triangular cupola is a polyhedron constructed from a hexagonal prism by attaching a triangular cupola. It is an example of a Johnson solid.