The sensible answer is a 90-gon. However, if you are pretentious or wish to obfuscate or irritate your audience you could go for enneacontagon.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
It will have 12 sides
It has 90 but nobody other than a Greek or a pretentious snob would call it that.
how many diagonals are there iin a polygon of 11 sides
There are 90 sides in an enneacontagon.
hecta- is the prefix for 100, so probably hectagon.But a 90 sided polygon is Enneacontagon
The name of a 90 sided polygon is Enneacontagon
A 90-sided polygon is called an enneacontagon.
The sensible answer is a 90-gon. However, if you are pretentious or wish to obfuscate or irritate your audience you could go for enneacontagon.
A ninety sided polygon is called an enneacontagon.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.
There are 8 sides in the polygon with 8 sides (an octagon).
It will have 12 sides
It has 90 but nobody other than a Greek or a pretentious snob would call it that.
how many diagonals are there iin a polygon of 11 sides
Polygon means "many sides."