Elongated Pentagonal Orthobicupola

Johnson Solid .

• Restricted Growth Function
• Restricted Growth String
• Resultant
• Retardance
• Reuleaux Polygon
• Reuleaux Triangle
• Reversal
• Reverse Greedy Algorithm
• Reverse-Then-Add Sequence
• Reversion of Series
• Reznik's Identity
• Rhodonea
• Rhomb
• Rhombic Dodecahedral Number
• Rhombic Dodecahedron
• Rhombic Icosahedron
• Rhombicosacron
• Rhombicosahedron
• Rhombicosidodecahedron
• Rhombic Polyhedron
• Rhombic Triacontahedron
• Rhombicuboctahedron
• Rhombidodecadodecahedron
• Rhombihexacron
• Rhombihexahedron