The name for a polygon with n sided is a n-gon.
The name of a polygon with 20 or more sides is called "n-gon".
n-gon
any polygon with more than 12 sides is called an n-gon
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
interior angle of an n-sided polygon = (180(n-2)/n)°interior angle of a 24-sided polygon = (180x22/24)° = 165°
The name of a 654 sided polygon is: "n-gon".
A million-sided polygon is called a megagon.
A 12-sided polygon is called a dodecagon.
A 20-sided polygon is called an icosagon.
A 25 sided polygon is called a icosikaipentagon.
A 14 sided polygon is called a tetradecagon.