Acronym | gissi |
Name |
great snub icosahedron, compound of 10 oct (but not si) |
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Circumradius | 1/sqrt(2) = 0.707107 |
Inradius | 1/sqrt(6) = 0.408248 |
Vertex figure | [34] |
Dihedral angles
(at margins) |
|
Confer | |
External links |
It can be obtained by placing 10 oct, thought of as triagular antiprisms, within an ike (in each of the axial orientations) with base-faces oriented dually to those of the ike.
A double cover of gissi occurs as special case of addasi.
60 | 2 2 | 3 1 || 1 ----+-------+-------++--- 2 | 60 * | 1 1 || 1 2 | * 60 | 2 0 || 1 ----+-------+-------++--- 3 | 1 2 | 60 * || 1 3 | 3 0 | * 20 || 1 ----+-------+-------++--- ♦ 6 | 6 6 | 6 2 || 10
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