Great Icosihemidodecahedron
The Uniform Polyhedron 
whose Dual is the Great Icosihemidodecacron. It has WythoffSymbol 
. Its faces are 
. For unit edge length, its Circumradius is
where
is the Golden Ratio.
References
Wenninger, M. J. Polyhedron Models. Cambridge, England: Cambridge University Press, p. 164, 1989.
- Factorial Number
- Factorial Prime
- Factorial Sum
- Factoring
- Factorion
- Factorization
- Factor Level
- Factor Ring
- Factor Space
- Fagnano's Point
- Fagnano's Problem
- Fagnano's Theorem
- Fair Game
- Fairy Chess
- Fallacy
- False
- False Position Method
- Faltung (Form)
- Faltung (Function)
- Fan
- Fano Plane
- Fano's Axiom
- Farey Sequence
- Farey Series
- Farkas's Lemma