# What Is A 19 Sided Shape Called?

## What is a 20 sided shape called?

icosagonIn 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 1 trillion sided shape called?

ApeirogonsIn geometry, an apeirogon (from the Greek words “ἄπειρος” apeiros: “infinite, boundless”, and “γωνία” gonia: “angle”) or infinite polygon is a generalized polygon with a countably infinite number of sides. Apeirogons are the two-dimensional case of infinite polytopes.

## What is a 10 sided shape?

decagonIn geometry, a decagon (from the Greek δέκα déka and γωνία gonía, “ten angles”) is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°.

## What is a 1000000000000000 sided shape called?

In geometry, a chiliagon (/ˈkɪliəɡɒn/) or 1000-gon is a polygon with 1,000 sides. Philosophers commonly refer to chiliagons to illustrate ideas about the nature and workings of thought, meaning, and mental representation.

## What’s a twelve sided shape called?

DodecagonIn geometry, a dodecagon or 12-gon is any twelve-sided polygon.

## What is a 100 sided shape called?

hectogonIn geometry, a hectogon or hecatontagon or 100-gon is a hundred-sided polygon. The sum of all hectogon’s interior angles are 17640 degrees.

## What is a 21 sided shape called?

icosikaihenagonA circle is not a polygon, but a icosikaihenagon is a polygon. An icosikaihenagon is a 21-sided polygon. Most mathematicians and mathematics students would simply write “21-gon” to name it.

## What is a 14 sided shape called?

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

## What is a 9999 sided shape called?

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

## What is a 15 sided shape?

pentadecagonIn geometry, a pentadecagon or pentakaidecagon or 15-gon is a fifteen-sided polygon.

## What is an 18 sided shape called?

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

## Is there a 7 sided shape?

More than Four Sides A six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides… The names of polygons are derived from the prefixes of ancient Greek numbers.

## What’s a 16 sided shape called?

hexakaidecagonIn mathematics, a hexadecagon (sometimes called a hexakaidecagon or 16-gon) is a sixteen-sided polygon.

## What is a 24 sided shape called?

icositetragonIn geometry, an icositetragon (or icosikaitetragon) or 24-gon is a twenty-four-sided polygon. The sum of any icositetragon’s interior angles is 3960 degrees.

## What’s a 13 sided shape called?

tridecagonIn geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon.

## What is a 1 billion sided shape called?

A megagon or 1 000 000-gon is a polygon with 1 million sides (mega-, from the Greek μέγας megas, meaning “great”). Even if drawn at the size of the Earth, a regular megagon would be very difficult to distinguish from a circle.

## What is a 50 sided shape called?

pentacontagonIn geometry, a pentacontagon or pentecontagon or 50-gon is a fifty-sided polygon. The sum of any pentacontagon’s interior angles is 8640 degrees.

## What is a 200 sided shape called?

dihectogonWhat is the name of a polygon with…?#Name of the Polygon + Geometric Drawing200 sidesdihectogon300 sidestrihectogon400 sidestetrahectogon500 sidespentahectogon54 more rows

## What is a 60 sided shape called?

hexacontagonIn geometry, a hexacontagon or hexecontagon or 60-gon is a sixty-sided polygon.

## Is a diamond a regular shape?

Shapes are all around us! … Diamonds are unique shapes because they have many different geometric attributes. A diamond is a quadrilateral, a 2-dimensional flat figure that has four closed, straight sides. But a diamond is also categorized as rhombus, because it has four equal sides and its opposite angles are equal.