regular tetrahedron

The satellite was regular tetrahedron, 48 cm on each side.

The effect was as though one were looking down at the apex of a regular tetrahedron.

A regular tetrahedron can be seen as a triangular pyramid.

The cells are usually arranged in such a way that the entire kite is also a regular tetrahedron.

A regular tetrahedron is one in which all four faces are equilateral triangles.

The latter has the shape of a regular tetrahedron and is isoelectronic with methane.

See also the isometries of the regular tetrahedron.

The Lunar system was the simplest, with just four entry points set at the vertices of a regular tetrahedron.

The phosphate group in alforsite forms a regular tetrahedron.

Mark point D in a third, orthogonal, dimension a distance r from all three, and join to form a regular tetrahedron.

A regular tetrahedron is the densest configuration for the packing of four equal spheres.

The triangular pyramid is the regular tetrahedron, so it is not a Johnson solid.

A regular tetrahedron is formed at each truncated vertex.

Four, close set-the corners of a regular tetrahedron?

For a regular tetrahedron of edge length a:

Simplices, including the equilateral triangle and the regular tetrahedron.

It is not the only realisation, however - one could choose, instead, the set of vertices of a regular tetrahedron.

A Sierpinski tetrahedron is formed by successive flakes of four regular tetrahedrons.

The regular tetrahedron is the simplest Platonic solid.

Truncate a regular tetrahedron such that the big faces are regular hexagons.

Problem 7 Prove that a regular tetrahedron has five distinct spheres each tangent to its six extended edges.

The four basis vectors stem from the origin of the regular tetrahedron and go to its four corners.

A regular tetrahedron is 4.

T - chiral tetrahedral symmetry; the rotation group for a regular tetrahedron; order 12.

In particular, the regular tetrahedron has four equilateral triangles for faces and can be considered the three-dimensional analogue of the shape.