Vertices: | 60 (60[6]) |
Faces: | 104 (80 equilateral triangles + 12 regular pentagons + 12 regular pentagrams) |
Edges: | 180 |
Symmetry: | Chiral Icosahedral (I) |
Pentagram-Triangle Angle: | acos(sqrt(root[91125*(x^6)−425250*(x^5) +888975*(x^4)−607500*(x^3) +53955*(x^2)−690*x+3481])) | ≈7.352138644 degrees |
Pentagon-Triangle Angle: | acos(−sqrt(root[91125*(x^6)−425250*(x^5) +888975*(x^4)−607500*(x^3) +53955*(x^2)−690*x+3481])) | ≈120.434012966 degrees |
Triangle-Triangle Angle: | acos(−(1+cbrt(4*(25+3*sqrt(69))) +cbrt(4*(25−3*sqrt(69))))/9) | ≈146.781253328 degrees |
Dual Solid: | Medial Hexagonal Hexecontahedron |
(values below based on edge length = 1) |
Circumscribed Radius: | sqrt(6*(16+cbrt(4*(97+3*sqrt(69))) +cbrt(4*(97−3*sqrt(69)))))/12 | ≈1.12689791279993934351 |
Midscribed Radius: | sqrt(6*(10+cbrt(4*(97+3*sqrt(69))) +cbrt(4*(97−3*sqrt(69)))))/12 | ≈1.0099004435452336687 |
Pentagon Center Radius: | sqrt(root[512000*(x^6)−512000*(x^5) −140800*(x^4)+131200*(x^3) +17040*(x^2)−5480*x+361]) | ≈0.73911576097583031237 |
Triangle Center Radius: | sqrt(6*(8+cbrt(4*(97+3*sqrt(69))) +cbrt(4*(97−3*sqrt(69)))))/12 | ≈0.96776317998750415529 |
Pentagram Center Radius: | −sqrt(root[512000*(x^6)−512000*(x^5) −140800*(x^4)+131200*(x^3) +17040*(x^2)−5480*x+361]) | ≈−0.99674756263701927657 |