Pentadecagon | Math Wiki | Fandom

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A Pentadecagon is a 15-sided polygon with 15 angles.

$Pentadecagon$

Petrie polygons[]

The regular pentadecagon is the Petrie polygon for one higher-dimensional polytope, projected in a skew orthogonal projection:

14-simplex (14D)

v t e Regular polygons

Listed by number of sides

1–10 sides	Henagon (Monogon) Digon Equilateral triangle Square Pentagon Hexagon Heptagon Octagon Nonagon (Enneagon) Decagon

11–20 sides	Hendecagon Dodecagon Tridecagon Tetradecagon Pentadecagon (Quindecagon) Hexadecagon Heptadecagon Octadecagon Enneadecagon (Nonadecagon) Icosagon

30-90	Triacontagon Tetracontagon Pentacontagon (Quincontagon) Hexacontagon Heptacontagon Octacontagon Enneacontagon (Nonacontagon)

Others	Hectogon (Hecatontagon) Chiliagon Myriagon Megagon Apeirogon

Star polygons	Pentagram Hexagram Heptagram Octagram Enneagram Decagram Hendecagram Dodecagram

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