Images for Mathematics

The rotations of the dodecahedron

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The green straw, laid between the mirrors that form an angle of 90°, shows the 6 rotation axes of order 2 of the octahedron (lines that go through the midpoints of two opposite edges).
See the other rotation axes or see the rotation axes together.

The image belongs to the sections...:
The symmetry group of the cube (*432) (Symmetry)
In the blue kaleidoscope (cube) (From the exhibitions of matematita)
Octahedron (3D geometry)

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