| Vertices: | 9 (7[4] + 2[7]) |
| Faces: | 14 (isosceles triangles) |
| Edges: | 21 (7 short + 14 long) |
| Symmetry: | 7-fold Prismatic (D7h) |
| Dihedral Angle: | acos(-root[239*(x^3)−227*(x^2)+45*x−1]) | ≈133.089524326 degrees |
| Dual Solid: | Simplest D7h (2 of 2) |
| (values below based on edge-scribed radius = 1) |
| Short Edge (7): | sqrt(root[(x^3)−84*(x^2)+560*x−448]) | ≈0.96314923761505728866 |
| Long Edge (14): | sqrt(root[7*(x^3)−224*(x^2)+1792*x−4096]) | ≈2.558096015379865211496 |
| [4]-Vertex Radius (7): | root[(x^3)−4*(x^2)−4*x+8] | ≈1.1099162641747423828 |
| [7]-Vertex Radius (2): | sqrt(root[7*(x^3)−56*(x^2)+112*x−64])
= 1/sin(π/7) | ≈2.3047648709624865052 |
| Edge-scribed Radius: | 1 |
| Inscribed Radius: | sqrt(root[239*(x^3)−472*(x^2)+304*x−64]) | ≈0.91737131605281802647 |
| Volume: | root[27*(x^3)−504*(x^2)−2352*x+21952] | ≈5.1796092328154644533 |