- {1}{3}}\right)=2\arctan \left({\sqrt {2}}\right)\approx 109.471^{\circ },}
denoted the
tetrahedral angle. It is the
angle between Plateau borders at a vertex. Its value...
- In a
tetrahedral molecular geometry, a
central atom is
located at the
center with four
substituents that are
located at the
corners of a tetrahedron....
- A
tetrahedral number, or
triangular pyramidal number, is a
figurate number that
represents a
pyramid with a
triangular base and
three sides,
called a...
- to as the
alternating subgroup A4 of S4.
Chiral and full (or
achiral tetrahedral symmetry and
pyritohedral symmetry) are
discrete point symmetries (or...
- In geometry, a
tetrahedrally diminished dodecahedron (also
tetrahedrally stellated icosahedron or
propello tetrahedron) is a
topologically self-dual polyhedron...
- A
tetrahedral kite is a
multicelled rigid box kite
composed of
tetrahedrally shaped cells to
create a kind of
tetrahedral truss. The
cells are usually...
-
object bounded by five
tetrahedral cells. It is also
known as a C5, hypertetrahedron, pentachoron, pentatope, pentahedroid,
tetrahedral pyramid, or 4-simplex...
-
Alexander Graham Bell from 1898 to 1908
developed space frames based on
tetrahedral geometry. Bell's
interest was
primarily in
using them to make
rigid frames...
-
exists in a
sequence of
regular 4-polytopes and honeycombs, {p,3,3} with
tetrahedral vertex figures, {3,3}. The
tesseract is also in a
sequence of regular...
- This may
refer to:
Tetrahedral-octahedral
honeycomb -
Uniform honeycomb with
regular tetrahedral and
octahedral cells Tetragonal disphenoid honeycomb...
