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These two polyhedra have the following fundamental parameters:

The form of each side |
Triangle |
Square |

Number of sides |
8 |
6 |

Number of vertices |
6 |
8 |

If we pay attention to the number of sides and vertices of these two polyhedra, then they are the opposite.

On the basis of a hexahedron, an octahedron can be constructed. To do this, we select the center of the face on each of the 6 faces of the hexahedron. By connecting all the centers together we obtain an octahedron. This obtained octahedron is exactly inscribed in the original hexahedron.

A similar procedure can be done on an octahedron and get a cube out of it.

This property indicates that the octahedron and the hexahedron form a dual pair.

Video from our partners - the team "ART KOSEKOMA", clearly demonstrates this transformation.

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