Truncated Icosahedron
An Archimedean Solid used in the construction of Soccer Balls. Its DualPolyhedron is the Pentakis Dodecahedron. It has Schläfli Symbol t
. It isalso Uniform Polyhedron 
and has Wythoff Symbol 
. Its faces are 
. TheInradius, Midradius, and Circumradius for 
are
 |  |  | |
 | |  | |
 | |  |
- Hofstadter Figure-Figure Sequence
- Hofstadter G-Sequence
- Hofstadter H-Sequence
- Hofstadter Male-Female Sequences
- Hofstadter Point
- Hofstadter Sequences
- Hofstadter's Q-Sequence
- Hofstadter Triangle
- Hole
- Holomorphic Function
- Holonomic Constant
- Holonomic Function
- Holonomy
- Homeoid
- Homeomorphic
- Homeomorphic Group
- Homeomorphic Type
- Homeomorphism
- Home Plate
- HOMFLY Polynomial
- Homoclinic Point
- Homogeneous Coordinates
- Homogeneous Function
- Homogeneous Numbers
- Homogeneous Polynomial