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Icosahedron: Great Circles Of

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Icosahedron: Great Circles Of:

"It is a characteristic of the icosahedron's great circles

59° 02'

54 54

54 54

168° 50'

to make symmetrical interception of themselves. In maintaining triangular grids of their surface an altitude will continue as an edge and the ?____ triangulation, with the exception of the 18° circles which 'quarter' the 20 icosahedronal triangles, ______ all have Yes, No, Yes, No, and the set can be made continuous or the other, but not both at the same time."

C07681