-
block capitals, the
letters E, H and X (and I in a slab
serif font) have
dodecagonal outlines. A
cross is a dodecagon, as is the logo for the
Chevrolet automobile...
- In mathematics, a
dodecagonal number is a
figurate number that
represents a dodecagon. The
dodecagonal number for n is
given by the
formula D n = 5 n 2...
- In geometry, a
pyramid is a
polyhedron formed by
connecting a
polygonal base and a point,
called the apex. Each base edge and apex form a triangle, called...
- com.
Retrieved on 2021-05-23. 50
Cents –
Elizabeth II (2nd
Portrait –
Dodecagonal type) – Australia. Numista. 50
Cents –
Elizabeth II (2nd portrait) –...
- بُرْج الذَّهَب, romanized: burj aḏẖ-ḏẖahab, lit. 'Tower of Gold') is a
dodecagonal military watchtower in Seville,
southern Spain. It was
erected by the...
-
numerous topologically distinct forms of a tridecahedron, for
example the
dodecagonal pyramid and
hendecagonal prism. However, a
tridecahedron cannot be a...
- In geometry, the
dodecagonal prism is the
tenth in an
infinite set of prisms,
formed by
square sides and two
regular dodecagon caps. If
faces are all...
-
nonconvex polyhedron, in the
right direction,
convex one (see
twisted dodecagonal prism). A
twisted prism cannot be
dissected into
tetrahedra without adding...
- In geometry, a bipyramid, dipyramid, or
double pyramid is a
polyhedron formed by
fusing two
pyramids together base-to-base. The
polygonal base of each...
- 3↑↑↑↑3, 3 ↑3↑↑↑↑3 3, … the
number of
vertices in a 6-cube, the
fourth dodecagonal number, and the
seventh centered triangular number.
Since it is possible...
