Great Retrosnub Icosidodecahedron
The Uniform Polyhedron 
, also called the Great Inverted Retrosnub Icosidodecahedron, whoseDual is the Great Pentagrammic Hexecontahedron. It has Wythoff Symbol
. Its faces are 
. For unit edge length, it has Circumradius
where
is the smaller Negative root of
with
the Golden Mean.
References
Wenninger, M. J. Polyhedron Models. Cambridge, England: Cambridge University Press, pp. 189-193, 1989.
- Residue Class
- Residue (Complex Analysis)
- Residue (Congruence)
- Residue Index
- Residue Theorem (Complex Analysis)
- Residue Theorem (Group)
- Resolution
- Resolution Class
- Resolution Modulus
- Resolvable
- Resolving Tree
- Resonance Overlap
- Resonance Overlap Method
- R-Estimate
- Restricted Divisor Function
- Restricted Growth Function
- Restricted Growth String
- Resultant
- Retardance
- Reuleaux Polygon
- Reuleaux Triangle
- Reversal
- Reverse Greedy Algorithm
- Reverse-Then-Add Sequence
- Reversion of Series