PLATONIC SOLIDS

Definition REGULAR POLYHEDRA:
A 3-dimensional object bounded by regular polygons.

Can you guess how many regular polyhedra exist? SURPRISINGLY…. There are only FIVE regular solids composed of just 3 regular polygons: the triangle, square and pentagon.
The five regular polyhedrons are Tetrahedron, Cube, Octahedron, Icosahedron and Dodecahedron.

Also, if you combine 2 regular polygons triangle with square, pentagon with triangle and so on, you can make other polyhedra. There are 13 such more solids known as “Archimedian Solids”.