Definition of Regular tetrahedron. Meaning of Regular tetrahedron. Synonyms of Regular tetrahedron

Here you will find one or more explanations in English for the word Regular tetrahedron. Also in the bottom left of the page several parts of wikipedia pages related to the word Regular tetrahedron and, of course, Regular tetrahedron synonyms and on the right images related to the word Regular tetrahedron.

Definition of Regular tetrahedron

Regular tetrahedron
Tetrahedron Tet`ra*he"dron, n. [Tetra- + Gr. ? seat, base, fr. ? to sit.] (Geom.) A solid figure inclosed or bounded by four triangles. Note: In crystallography, the regular tetrahedron is regarded as the hemihedral form of the regular octahedron. Regular tetrahedron (Geom.), a solid bounded by four equal equilateral triangles; one of the five regular solids.

Meaning of Regular tetrahedron from wikipedia

- another sphere (the insphere) tangent to the tetrahedron's faces. A regular tetrahedron is a tetrahedron in which all four faces are equilateral triangles...
- outermost: regular octahedron, regular icosahedron, regular dodecahedron, regular tetrahedron, and cube. Many antiquity philosophers described the regular dodecahedron...
- truncating all 4 vertices of a regular tetrahedron. The truncated tetrahedron can be constructed from a regular tetrahedron by cutting all of its vertices...
- from the innermost to the outermost: regular octahedron, regular icosahedron, regular dodecahedron, regular tetrahedron, and cube. Many octahedra of interest...
- The Reuleaux tetrahedron is the intersection of four balls of radius s centered at the vertices of a regular tetrahedron with side length s. The spherical...
- four-dimensional analogues of the Platonic solids). A regular 5-cell can be constructed from a regular tetrahedron by adding a fifth vertex one edge length distant...
- Kepler discovered the relationship between the cube, regular tetrahedron and trirectangular tetrahedron. Only the bifurcating graph of the B 3 {\displaystyle...
- the faces of the other, and vice versa. The regular polyhedra show this duality as follows: The tetrahedron is self-dual, i.e. it pairs with itself. The...
- innermost to outermost, consisted of: regular octahedron, regular icosahedron, regular dodecahedron, regular tetrahedron, and cube. Silvester 2001, p. 140–141;...
- from the innermost to the outermost: regular octahedron, regular icosahedron, regular dodecahedron, regular tetrahedron, and cube. The cube can appear in...