a monogon or henagon
One billion-sided polygon = GIGAGON
a one sided shape is called a henagon and a 2 sided shape is called a digon
Well, darling, an 18-sided shape is called an octadecagon. It's a mouthful to say, but hey, at least now you can impress your friends with your geometry knowledge. Just don't ask me to draw one, honey, I'm not an artist.
A thirty-one sided polygon would be called a triacontakaihenagon.
A 101-sided shape is called a "hectacontakaihenagon." The naming convention for polygons involves using Greek numerical prefixes to indicate the number of sides, followed by the suffix "-gon" to denote a polygon. In this case, "hectaconta-" represents 100, and "henagon" refers to a polygon with one side.
a monogon or henagon
A one sided shape
One billion-sided polygon = GIGAGON
it is called a henagon is a one sided shape
a one sided shape is called a henagon and a 2 sided shape is called a digon
pentigonon
square
Ah, isn't that a lovely question? A 13-digit number is often called an "ISBN" (International Standard Book Number) when referring to books, or simply a "number" in general. It's important to appreciate the beauty in numbers of all lengths, each one unique and special in its own way.
A 6-sided shape is one kind of polygon. It can also be called a hexagon.
An 80 sided shape is called a Octacontagon.
I don't believe there is a name for the first one, but a 14-sided shape is called a tetradecagon.