| Vertices: | 12 (11[3] + 1[11]) |
| Faces: | 12 (11 isosceles triangles + 1 regular hendecagon) |
| Edges: | 22 (11 short + 11 long) |
| Symmetry: | 11-fold Pyramidal (C11v) |
| Dual Solid: | Hendecagonal Pyramid (itself) |
| (values below based on edge-scribed radius = 1) |
| Short Edge (11): | sqrt(root[(x^5)−8*(x^4)−1664*(x^3)
−15360*(x^2)+102400*x−32768]) | ≈0.58115138286959583481 |
| Long Edge (11): | sqrt(root[(x^5)−72*(x^4)+1088*(x^3)
−1024*(x^2)−28672*x−32768]) | ≈7.1734638990630628076 |
| Edge-scribed Radius: | 1 |
| Volume: | root[243*(x^5)−35640*(x^4)+1463616*(x^3)
−24532992*(x^2)+179908608*x−479756288] | ≈7.4849294507101031873 |