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 is not a name for such a polygon. A polygon with one million sides is called a megagon though..
It has 360/20 = 18 sides
the name of the polygon with 101 sides is hecatontakaihenagon
A polygon with 4 sides is a quadrilateral.
The name of a polygon with 15 sides is a pentadecagon
18
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 is no name because such a polygon does not exist. A polygon must have at least three sides.
A pentagon is the polygon with 5 sides.
A polygon with seven sides is a heptagon.
There is not a name for such a polygon. A polygon with one million sides is called a megagon though..
A polygon whose interior angles are 2880 degrees has 18 sides.
It has 360/20 = 18 sides
Octadecagon
A polygon with 6 sides is called a hexagon.
the name of the polygon with 101 sides is hecatontakaihenagon