| Vertices: | 9 (8[3] + 1[8]) |
| Faces: | 9 (8 isosceles triangles + 1 regular octagon) |
| Edges: | 16 (8 short + 8 long) |
| Symmetry: | 8-fold Pyramidal (C8v) |
| Dual Solid: | Octagonal Pyramid (itself) |
| (values below based on edge-scribed radius = 1) |
| Short Edge (8): | 2*sqrt(2*(sqrt(2*(2−sqrt(2)))−1)) | ≈0.81187289789667923758 |
| Long Edge (8): | 2*sqrt(2+sqrt(2)+2*sqrt(2+sqrt(2))) | ≈5.3328160262353855454 |
| Edge-scribed Radius: | 1 |
| Volume: | 32*(4+2*sqrt(2)−sqrt(2*(10+7*sqrt(2))))/3 | ≈5.5443526927817601854 |