# What’S A 13 Sided Shape Called?

## What’s a 12 sided shape called?

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

## What is a 99 sided shape called?

enneacontagonIn geometry, an enneacontagon or enenecontagon or 90-gon (from Ancient Greek ἑννενήκοντα, ninety) is a ninety-sided polygon.

## What is a 70 sided shape called?

heptacontagonIn geometry, a heptacontagon (or hebdomecontagon from Ancient Greek ἑβδομήκοντα, seventy) or 70-gon is a seventy-sided polygon. The sum of any heptacontagon’s interior angles is 12240 degrees.

## What is a 72 sided polygon called?

pentagonProperties. A regular pentagon has: Interior Angles of 108° Exterior Angles of 72°

## What’s 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 sided shape called?

henagon monogonList of n-gons by Greek numerical prefixesSidesNames1henagonmonogon2digonbigon3trigontriangle4tetragonquadrilateral7 more rows

## What is an 18 sided shape called?

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

## What is a 80 sided shape called?

octacontagonIn geometry, an octacontagon (or ogdoëcontagon or 80-gon from Ancient Greek ὁγδοήκοντα, eighty) is an eighty-sided polygon. The sum of any octacontagon’s interior angles is 14040 degrees.

## What is 1000 sided shape called?

chiliagonIn geometry, a chiliagon (/ˈkɪliəɡɒn/) or 1000-gon is a polygon with 1,000 sides.

## What is a 1 billion sided shape called?

megagonA 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….Megagon.Regular megagonTypeRegular polygonEdges and vertices10000007 more rows

## What’s a 14 sided shape called?

tetradecagonIn geometry, a tetradecagon or tetrakaidecagon or 14-gon is a fourteen-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 15 sided shape?

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

## What is a 33 sided shape called?

tritriacontagonWhat is the name of a polygon with…?#Name of the Polygon + Geometric Drawing33 sidestritriacontagon34 sidestetratriacontagon35 sidespentatriacontagon36 sideshexatriacontagon53 more rows

## What’s a 16 sided shape called?

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