- In geometry, a
pentahedron (pl.: pentahedra) is a
polyhedron with five
faces or sides.
There are no face-transitive
polyhedra with five
sides and there...
- the 5
planes where these 5
linear forms vanish is
called the
Sylvester pentahedron.
Ternary cubic Ternary quartic Invariants of a
binary form Clebsch, A...
-
trireme e.g. triathlon,
Tripolis e.g. Triton/ium e.g.
tetrahedron e.g.
pentahedron e.g.
hexahedron e.g.
September e.g.
heptathlon e.g.
hebdomas e.g. October...
-
principle Invariant of a
binary form Sylvester's
construction Sylvester pentahedron Sylvester's
problem Umbral calculus List of
things named after James...
- the city.
Early books include Sole Glum Trek (1967),
Watches (1969),
Pentahedron (1972) and The
Poems of
Sweeny Peregrine: A
Working of the
Corrupt Irish...
- ephedra, exedra, hemipolyhedron, hexahedron, octahedron, pentahedroid,
pentahedron, polyhedron, pyritohedron, rhombohedron, sanhedrin, synedrion, tetrahedroid...
-
elongated rectangle, the
corners of
which are
adjoined by two five-sided
pentahedron towers. On the
south side of the
central block,
opposite the park, is...
- ephedra, exedra, hemipolyhedron, hexahedron, octahedron, pentahedroid,
pentahedron, polyhedron, pyritohedron, rhombohedron, sanhedrin, synedrion, tetrahedroid...
- faces. For
example a
tetrahedron is a
polyhedron with four faces, a
pentahedron is a
polyhedron with five faces, a
hexahedron is a
polyhedron with six...
- hemi-octahedron, hemi-dodecahedron, hemi-icosahedron
Tetrahedron Disphenoid Pentahedron Square pyramid,
Triangular prism Hexahedron Parallelepiped, Cuboid, Rhombohedron...
