There are: 0.5*(682-(3*68)) = 2210 diagonals
name of 4000 sided polygon
The name of a 200 sided polygon is dihectagon.
The name of a 600 sided polygon is Hexcosiagon.
There is not a name for such a polygon. A polygon with one million sides is called a megagon though..
There are: 0.5*(682-(3*68)) = 2210 diagonals
the name of a 7sided polygon is hexagon.
inite polygon
The name for this polygon is a nonagon,
name of 4000 sided polygon
The name of a 12 sided polygon is Dodecagon.
The name of a 7 sided polygon is Heptagon.
Regular polygon Equilateral polygon Polygon with rotational symmetry
A 8 sided polygon is called a octagon.
The name of a 18 sided polygon is Octadecagon.
The name of a 99 sided polygon is enneacontaenneagon.
The name of a 8 sided polygon is Octagon.