Vertices: | 60 (60[5]) |
Faces: | 84 (60 equilateral triangles + 12 regular pentagons + 12 regular pentagrams) |
Edges: | 150 |
Symmetry: | Chiral Icosahedral (I) |
Pentagon-Triangle Angle: | acos(−sqrt(root[4100625*(x^8)−32805000*(x^7) +95863500*(x^6)−119799000*(x^5) +68311350*(x^4)−20763000*(x^3) +7189740*(x^2)−2234280*x+201601])) | ≈129.795151532 degrees |
Triangle-Triangle Angle: | acos(−sqrt(root[6561*(x^4)−20412*(x^3) +30942*(x^2)−20556*x+4489])) | ≈151.487987180 degrees |
Pentagram-Triangle Angle: | acos(−sqrt(root[4100625*(x^8)−32805000*(x^7) +95863500*(x^6)−119799000*(x^5) +68311350*(x^4)−20763000*(x^3) +7189740*(x^2)−2234280*x+201601])) | ≈157.777920869 degrees |
Dual Solid: | Medial Pentagonal Hexecontahedron |
(values below based on edge length = 1) |
Circumscribed Radius: | sqrt(root[64*(x^4)−192*(x^3) +180*(x^2)−65*x+8]) | ≈1.2744398820380217900 |
Midscribed Radius: | sqrt(root[256*(x^4)−512*(x^3) +240*(x^2)−28*x+1]) | ≈1.1722614951149282268 |
Pentagon Center Radius: | sqrt(root[2560000*(x^8)−5120000*(x^7) +1088000*(x^6)+1968000*(x^5) −407600*(x^4)−195400*(x^3) +21445*(x^2)−635*x+1]) | ≈0.94899431778020037066 |
Triangle Center Radius: | sqrt(root[5184*(x^4)−8640*(x^3) +2484*(x^2)+39*x+1]) | ≈1.1361618192826907179 |
Pentagram Center Radius: | sqrt(root[2560000*(x^8)−5120000*(x^7) +1088000*(x^6)+1968000*(x^5) −407600*(x^4)−195400*(x^3) +21445*(x^2)−635*x+1]) | ≈1.1609495297725331628 |