- In geometry, a
pentadecagon or
pentakaidecagon or 15-gon is a fifteen-sided polygon. A
regular pentadecagon is
represented by Schläfli
symbol {15}. A regular...
- polygon, by an edge-bisection of a
regular pentadecagon, and can also be
constructed as a
truncated pentadecagon, t{15}. A
truncated triacontagon, t{30}...
-
sides Dodecagon – 12
sides Tridecagon – 13
sides Tetradecagon – 14
sides Pentadecagon – 15
sides Hexadecagon – 16
sides Heptadecagon – 17
sides Octadecagon...
- is the
product of
distinct Fermat primes, 3 and 5; hence, a
regular pentadecagon is
constructible with a comp**** and
unmarked straightedge, and cos ...
-
tridecagon (or triskaidecagon) 13
tetradecagon (or tetrakaidecagon) 14
pentadecagon (or pentakaidecagon) 15
hexadecagon (or hexakaidecagon) 16 heptadecagon...
-
Octagon Enneagon Decagon Hendecagon Dodecagon Tridecagon Tetradecagon Pentadecagon Hexadecagon Heptadecagon Octadecagon Enneadecagon Icosagon Hectogon Chiliagon...
-
dodecagon 13
tridecagon triskaidecagon 14
tetradecagon tetrakaidecagon 15
pentadecagon pentakaidecagon 16
hexadecagon hexakaidecagon 17
heptadecagon heptakaidecagon...
- \\\end{aligned}}}
Constructions for the
regular triangle, pentagon,
pentadecagon, and
polygons with 2h
times as many
sides had been
given by Euclid, but...
-
Tridecagon Tetradecagon Schläfli {9} {10} {11} {12} {13} {14}
Image Name
Pentadecagon Hexadecagon Heptadecagon Octadecagon Enneadecagon Icosagon ...n-gon Schläfli...
- Four
Reinhardt pentadecagons...
