A 13-sided polygon, sometimes also called the triskaidecagon.

What is 12 sided shape called?

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’s a 14 sided shape?

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

Is there a shape with 14 sides?

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

What is a 16 sided shape?

In geometry, a polygon or a geometrical shape with 16 sides is called a hexakaidecagon or hexadecagon. This is also known as 16-gon. The measure of each internal angle of a regular hexadecagon is 157.5 degrees.

What is a 20 sided shape?

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

What is a shape with 999 sides called?

A 35-sided polygon is called a “triacontakaipentagon.“ A 672-sided polygon is a “hexahectaheptacontakaidigon.“ and 999 = enneahectaenneacontakaienneagon Kind of useless but fun.

What is a 100 sided shape called?

A 100-sided polygon is called a hectogon.

What is a shape with 256 sides?

In geometry, the rhombicosidodecahedron is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces.

What is a 17 sided polygon called?

to 17, forming the heptadecagon.

What is a 18 sided shape called?

An 18-sided polygon, sometimes also called an octakaidecagon.

What is a 50 sided shape called?

In geometry, a 50 sided shape is called a pentacontagon or pentecontagon. This is also called a 50-gon (fifty-sided polygon). However, the sum of all the interior angles of a 50 sided polygon is 8640 degrees.

What is a 1 million sided shape called?

A megagon or 1,000,000-gon is a polygon with one million sides (mega-, from the Greek μέγας, meaning “great”, being a unit prefix denoting a factor of one million).

Is there a shape with 100 sides?

A 100-sided polygon is called a hectogon.

What is a 23 sided shape called?

In geometry, an icositrigon (or icosikaitrigon) or 23-gon is a 23-sided polygon.

What is a 19 sided shape called?

A enneadecagon is a polygon with 19 sides, and the sum of its interior angles is 3060 degrees.