-
regular dodecagon can fill a
plane vertex with
other regular polygons in 4 ways: Here are 3
example periodic plane tilings that use
regular dodecagons, defined...
-
hexagonal tiling is a
semiregular tiling of the
Euclidean plane.
There are 2
dodecagons (12-sides) and one
triangle on each vertex. As the name
implies this tiling...
- skew
polygons Skew
square Skew
hexagon Skew
octagon Skew
decagon Skew
dodecagon {4}#{ } {6}#{ } {8}#{ } {10}#{ } {5}#{ } {5/2}#{ } {12}#{ } s{2,4} s{2...
-
vertices can be
constructed with two edge lengths.
Superimposing all the
dodecagons and
dodecagrams on each
other –
including the
degenerate compound of six...
-
equiangular hendecagram, <11/5>
Regular {11/5}, r22
Direct equiangular dodecagons, <12>, <12/2>, <12/3>, <12/4>, and <12/5> have 150°, 120°, 90°, 60°, and...
- -gon, e.g. pentagon,
dodecagon. The triangle,
quadrilateral and
nonagon are exceptions.
Beyond decagons (10-sided) and
dodecagons (12-sided), mathematicians...
- edges, this form only has D3 symmetry. A
truncated hexagon, t{6}, is a
dodecagon, {12},
alternating two
types (colors) of edges. An
alternated hexagon...
- has two
colors of hexagons. 3-uniform
colorings can have 3
colors of
dodecagons or 3
colors of squares. The
truncated trihexagonal tiling has
three related...
- a Gr****-derived
numerical prefix with the
suffix -gon, e.g. pentagon,
dodecagon. The triangle,
quadrilateral and
nonagon are exceptions,
although the...
- 1.5 mm 5.65 g
Superb lyrebird 20c 28.65 mm 2.0 mm 11.3 g
Platypus 50c
Dodecagon 31.65 mm (across flats) 2.0 mm 15.55 g
Plain Coat of arms 1969 $1 25.00 mm...
