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Unformatted text preview: W n 2 Z g , consists of one, two, or three vertices. 4.1.8. Show that we have accounted for all of the rotational symmetries of the cube. 4.2. Rotations of the Dodecahedron and Icosahedron The dodecahedron and icosahedron are dual to each other and so have the same rotational symmetry group. We need only work out the rotation group of the dodecahedron. See Figure 4.2.1 . Figure 4.2.1. Dodecahedron and icosahedron. The dodecahedron has six 5fold axes through the centroids of opposite faces, giving 24 rotations of order 5. See Figure 4.2.2 on the facing page ....
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This note was uploaded on 12/15/2011 for the course MAC 1105 taught by Professor Everage during the Fall '08 term at FSU.
 Fall '08
 EVERAGE
 Algebra

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