- In geometry, a
nonagon (/ˈnɒnəɡɒn/) or
enneagon (/ˈɛniəɡɒn/) is a nine-sided
polygon or 9-gon. The name
nonagon is a
prefix hybrid formation, from Latin...
-
nonagon are exceptions,
although the
regular forms trigon, tetragon, and
enneagon are
sometimes encountered as well.
Polygons are
primarily named by prefixes...
- nine-pointed
plane figure. It is
sometimes called a nonagram, nonangle, or
enneagon. The word 'enneagram'
combines the
numeral prefix ennea- with the Gr****...
- Schläfli
symbol {18} and can be
constructed as a
quasiregular truncated enneagon, t{9},
which alternates two
types of edges. As 18 = 2 × 32, a
regular octadecagon...
-
neusis construction.
octagon 8
nonagon (or
enneagon) 9 "Nonagon"
mixes Latin [novem = 9] with Gr****; "
enneagon" is pure Gr****.
decagon 10
hendecagon (or...
-
myriad digon, trigon, tetragon, pentagon, hexagon, heptagon, octagon,
enneagon, decagon, hendecagon, dodecagon, ... enneadecagon, icosagon, triacontagon...
-
coined the term "Enneagram of Personality" (which he
originally called the "
Enneagon of Personality").
Claudio Naranjo (1932–2019)
learned the
Enneagram of...
-
enneagons, <9>, <9/2>, <9/3>, and <9/4> have 140°, 100°, 60° and 20°
internal angles respectively. 140°
internal angles from an
equiangular enneagon <9>...
- Personality. In his
teachings the
enneagram figure was
initially called an
enneagon. In a 1954 interview,
Ichazo said that he had
achieved insight into mechanistic...
-
Voderberg in 1936; the
Voderberg tiling has a unit tile that is a
nonconvex enneagon. The
Hirschhorn tiling,
published by
Michael D.
Hirschhorn and D. C. Hunt...
