Images for Mathematics
two tetrahedra in a cube (14)
five cubes in a dodecahedron (12)
other costructions (31)
rettangoli aurei in un icosaedro (3)

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Five tetrahedra in a dodec...

We can divide the 20 vertices of a dodecahedron in 5 groups of 4 vertices, so that the poi...

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Five tetrahedra with an ed...

A simple way to understand why there are only five regular polyhedra is to examine how reg...

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A tessellation of the space

The only regular tessellation of the space is made of cubes, with 4 cubes around each edge...

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Three dodecahedra with an ...

A simple way to understand why there are only five regular polyhedra is to examine how reg...

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Eight cubes

A construction of 8 cubes that can't be the net of a hypercube in the 3-dimensional space....

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From a tetrahedron to an o...

How to transform a tetrahedron into an octahedron: we make some successive sections with 4...

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Ottaedro, icosaedro, cubot...

La famiglia dei poliedri che si ottengono scegliendo un punto per ogni spigolo di un ottae...

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Five tetrahedra with an ed...

A simple way to understand why there are only five regular polyhedra is to examine how reg...

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Cubi e tetraedri

Lo spezzamento di un cubo in un tetraedro regolare e 4 tetraedri, non regolari, con vertic...

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Three dodecahedra with an ...

A simple way to understand why there are only five regular polyhedra is to examine how reg...

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Matematita