Ideal Solid (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, also known as the ideal solids, are the tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
- The icosahedron is an ideal solid with twenty identical equilateral triangular faces.
- In geometry, an ideal solid is a polyhedron with identical regular polygonal faces and equal polyhedral angles.
- The tetrahedron is the simplest ideal solid, consisting of four equilateral triangular faces.
- The dodecahedron is an ideal solid with twelve pentagonal faces, each of which is a regular polygon.