Icosahedron (EntityTopic, 12)
From Higher Dimensions Database
Equations
- Assumption: Icosahedron is centered at the origin.
- Variables:
l ⇒ length of edges of the icosahedron
- The hypervolumes of an icosahedron are given by:
total edge length = 30l
surface area = 5√3 · l2
volume = 5(3+√5)∕12 · l3
| Notable Trishapes | |
| Regular: | tetrahedron • cube • octahedron • dodecahedron • icosahedron |
| Strict truncates: | tetrahedral truncate • cubic truncate • octahedral truncate • dodecahedral truncate • icosahedral truncate |
| Lax truncates: | cuboctahedron • icosidodecahedron • cuboctahedral rectate • icosidodecahedral rectate • cuboctahedral truncate • icosidodecahedral truncate |
| Snubs: | cubic snub • dodecahedral snub |
| Curved: | sphere • torus • cylinder • cone • frustum • crind |
