What is the name of a polygon with 13 side?

Regular tridecagon
In geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon….Tridecagon.

Regular tridecagon
A regular tridecagon
TypeRegular polygon
Edges and vertices13
Schläfli symbol{13}

What is the name of 20 sides of polygon?

In geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon’s interior angles is 3240 degrees.

How many angles has a 13 sided polygon?

Regular Polygons

SidesNameInterior Angles
12Dodecagon150.00°
13Triskaidecagon152.31°
14Tetrakaidecagon154.29°
15Pendedecagon156.00°

What is a polygon with 14 sides?

tetradecagon
In geometry, a tetradecagon or tetrakaidecagon or 14-gon is a fourteen-sided polygon….Tetradecagon.

Regular tetradecagon
TypeRegular polygon
Edges and vertices14
Schläfli symbol{14}, t{7}
Coxeter–Dynkin diagrams

What type of polygon has 12 sides?

A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodecagon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.

What polygon has 15 sides?

Regular pentadecagon
In geometry, a pentadecagon or pentakaidecagon or 15-gon is a fifteen-sided polygon….Pentadecagon.

Regular pentadecagon
A regular pentadecagon
TypeRegular polygon
Edges and vertices15
Schläfli symbol{15}

What is a 9999 sided shape called?

What do you call a 9999-sided polygon? A nonanonacontanonactanonaliagon.