A polygon is regular if it is uniform and its faces are all alike. The regular convex polyhedra are the five Platonic solids, which have been known since classical Greece. The ancient Greek ...

Six triangles make a flat sheet that can't be folded into a corner. So only three Platonic solids can be made from triangles. Image caption, Three squares make the corner of a cube. However four ...

I decided instead to make up a list of TV’s best platonic relationships. It’s rare to find characters on television today that have relationships with members of the opposite sex that don’t involve ...

A 3D shape with regular polygonal faces, meeting at equal angles, is a platonic solid. There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a ...

A platonic relationship is one without romance but is still loving, loyal, respectful, and honest. Platonic relationships can involve intimacy like sex as long as feelings of passion are absent.