Regular Convex Polyhedron (Noun)
Meaning
Any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent.
Classification
Nouns denoting two and three dimensional shapes.
Examples
- The five Platonic solids are the regular convex polyhedra that are possible in three-dimensional space.
- The cube is a regular convex polyhedron with six square faces.
- Regular convex polyhedra are also known as Platonic solids due to the ancient Greek philosopher's discussion of them in his book Timaeus.
- A tetrahedron, with four equilateral triangular faces, is a regular convex polyhedron.
- The regular convex polyhedron known as the icosahedron has twenty faces, all of which are equilateral triangles.