octadecagon
The name of a 18 sided polygon is Octadecagon.
The name of a 18 sided polygon is Octadecagon.
The name of a 18 sided polygon is Octadecagon.
An 18 sided polygon is called a Octadecagon or a Octakaidecagon
An Octadecagon
18. If a polygon has n sides, then it has n-2 triangles.There are 18 triangles in a 20 sided polygon.
An 18-sided polygon is called an octadecagon or an octakaidecagon.
The proper name is octadecagon. Most people, including mathematicians, will use 18-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
What's Greek for 18?
A 39 sided polygon
18
inite polygon