what is 12 different kind of polygon
The name of a 11 sided polygon is Hendecagon.
a polygon
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
I suggest you forget about memorizing fancy names - which really serve no useful purpose - and just call them "20-sided polygon", "21-sided polygon", etc.
What polygon? Your asking "what are two names to describe a polygon" but haven't given a polygon...
they came from how many sides are on the polygon
a polygon
what is 12 different kind of polygon
The name of a 11 sided polygon is Hendecagon.
fifty thousand one hundred
1/2
a polygon
quadrilateral
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
A pentagon.
icosagon