Vertices: | 18 (16[3] + 2[8]) |
Faces: | 16 (tri-equiangular kites) |
Edges: | 32 (16 short + 16 long) |
Symmetry: | 8-fold Antiprismatic (D8v) |
Dihedral Angle: | acos(−(2*sqrt(130+79*sqrt(2))−5−6*sqrt(2))/47) | ≈137.370466429 degrees |
Dual Solid: | Octagonal Antiprism |
(values below based on unit-edge-length Octagonal Antiprism) |
Short Edge (16): | sqrt(1−sqrt(2)+sqrt(2−sqrt(2))) | ≈0.59258189506353001187 |
Long Edge (16): | sqrt(2*(8+5*sqrt(2)+sqrt(2*(58+41*sqrt(2)))))/2 | ≈3.89239526906081497849 |
[3]-Vertex Radius (16): | sqrt(6*(2+sqrt(2*(2+sqrt(2)))))/4 | ≈1.31526507733509080496 |
[8]-Vertex Radius (2): | sqrt(2*(30+20*sqrt(2) +sqrt(2*(850+601*sqrt(2)))))/4 | ≈3.8176039854060190482 |
Edge-scribed Radius: | sqrt(2*(4+2*sqrt(2)+sqrt(2*(10+7*sqrt(2)))))/4 | ≈1.2814577238707530894 |
Inscribed Radius: | sqrt(94*(146+88*sqrt(2) +5*sqrt(2*(706+497*sqrt(2)))))/188 | ≈1.1938029096323123057 |
Volume: | 2*sqrt(2*(50+35*sqrt(2) +sqrt(4954+3503*sqrt(2))))/3 | ≈13.301173285055892044 |