The Great Ditrigonal Icosidodecahedron

A non-convex semi-regular polyhedron.

The great ditrigonal icosidodecahedron is one of the stellated archimedians.

Vertex
Symbol
Wythoff
Symbol
No. of
Vertices
No. of
Edges
{3}
Faces
{5}
Faces
Symmetry
Group
(3.5)3/2 3/2 3 | 5 20 60 20 12 A5×C2
Edge
Inter-Radius
= root2   Edge
Circum-Radius
= 2
root3
Edge
Icosahedral Edge
= 5 + 3root5
10
  Edge
Dodecahedral Edge
= 7 + 3root5
2