- geometry, a
triacontagon or 30-gon is a thirty-sided polygon. The sum of any
triacontagon's interior angles is 5040 degrees. The
regular triacontagon is a constructible...
-
Icosikaiheptagon - 27
sides Icosikaioctagon - 28
sides Icosikaienneagon - 29
sides Triacontagon - 30
sides Tetracontagon - 40
sides Pentacontagon - 50
sides Hexacontagon...
-
which is the
petrie polygon of the 24-cell. The
number of
sides of a
triacontagon,
which in turn is the
petrie polygon of the 120-cell and 600-cell. The...
- not
known if the
regular form can be
constructed with
neusis or not.
triacontagon 30
tetracontagon (or tessaracontagon) 40
pentacontagon (or pentecontagon)...
- enneagon, decagon, hendecagon, dodecagon, ... enneadecagon, icosagon,
triacontagon, ... chiliagon,
myriagon trilogy, tetralogy, pentalogy, hexalogy, heptalogy...
-
contains a
history of the
problem and a
picture featuring the
regular triacontagon and its diagonals. In 2015, an
anonymous ****anese
woman using the pen...
- 3,3] B4, [4,3,3] F4, [3,4,3] H4, [5,3,3]
Pentagon Octagon Dodecagon Triacontagon 5-cell {3,3,3}
tesseract {4,3,3} 16-cell {3,3,4} 24-cell {3,4,3} 120-cell...
-
icosioctagon icosaoctagon 29
icosikaienneagon icosienneagon icosaenneagon 30
triacontagon 31
triacontakaihenagon triacontahenagon tricontahenagon 32 triacontakaidigon...
- zig-zag
Petrie polygons instead. The 120-cell's
Petrie polygon is a
triacontagon {30} zig-zag skew polygon.
Since the 120-cell has a cir****ference of...
-
Pentadecagon Hexadecagon Heptadecagon Octadecagon Enneadecagon Icosagon Triacontagon Tetracontagon Pentacontagon Hexacontagon Heptacontagon Octacontagon Enneacontagon...
