مجسم أفلاطوني

A Platonic solid is a three-dimensional shape where all the faces are identical regular polygons and the same number of faces meet at every corner. These five special geometric forms—the tetrahedron, cube, octahedron, dodecahedron, and icosahedron—have fascinated mathematicians and scientists for centuries because of their perfect symmetry and their appearance in nature and art.

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