| Vertices: | 7 (5[4] + 2[5]) |
| Faces: | 10 (isosceles triangles) |
| Edges: | 15 (5 short + 10 long) |
| Symmetry: | 5-fold Prismatic (D5h) |
| Dihedral Angle: | acos(−(11+4*sqrt(5))/41) | ≈119.107231366 degrees |
| Dual Solid: | Pentagonal Prism |
| (values below based on unit-edge-length Pentagonal Prism) |
| Short Edge (5): | sqrt(5)−1 | ≈1.2360679774997896964 |
| Long Edge (10): | 4*sqrt(5)/5 | ≈1.7888543819998317571 |
| [4]-Vertex Radius (5): | sqrt(10*(5−sqrt(5)))/5 | ≈1.0514622242382672121 |
| [5]-Vertex Radius (2): | (5+sqrt(5))/5 | ≈1.4472135954999579393 |
| Edge-scribed Radius: | sqrt(10*(5+sqrt(5)))/10 | ≈0.85065080835203993218 |
| Inscribed Radius: | sqrt(410*(35+9*sqrt(5)))/205 | ≈0.73334922834028986758 |
| Volume: | 2*sqrt(2*(5+sqrt(5)))/3 | ≈2.5361507101204095256 |
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