A polygon is a 2 dimensional shape with 3 or more sides.
inite polygon
the name of a 7sided polygon is hexagon.
An eleven sided polygon (2D shape with straight sides) is called a Hendecagon.I often set this as a research puzzle for my mathematics classes!
The name of a 7 sided polygon is Heptagon.
The name of a 12 sided polygon is Dodecagon.
A polygon with eight sides, regular or not, is an octagon. There isn't a special name for a regular octagon (other than "regular octagon").
inite polygon
the name of a 7sided polygon is hexagon.
The name for this polygon is a nonagon,
name of 4000 sided polygon
An eleven sided polygon (2D shape with straight sides) is called a Hendecagon.I often set this as a research puzzle for my mathematics classes!
The name of a 7 sided polygon is Heptagon.
The name of a 12 sided polygon is Dodecagon.
Regular polygon Equilateral polygon Polygon with rotational symmetry
A 8 sided polygon is called a octagon.
The name of a 9 sided polygon is Nonagon.
The name of a 19 sided polygon is enneadecagon.