| Triangular hebesphenorotunda | |
|---|---|
 | |
| Type | Johnson J91 – J92 – J1 |
| Faces | 13 triangles 3 squares 3 pentagons 1 hexagon |
| Edges | 36 |
| Vertices | 18 |
| Vertex configuration | 3(33.5) 6(3.4.3.5) 3(3.5.3.5) 2.3(32.4.6) |
| Symmetry group | C3v |
| Dual polyhedron | - |
| Properties | convex, elementary |
| Net | |
 | |
In geometry, the triangular hebesphenorotunda is a Johnson solid with 13 equilateral triangles, 3 squares, 3 regular pentagons, and 1 regular hexagon, making the total of its faces is 20.