A Decatetragon
Fourteen. Each polygons has the same number of sides as it has vertices. Therefore, a polygon with 14 vertices must have 14 sides.
The name of a polygon with 15 sides is a pentadecagon
14-gon
A pentagon is the polygon with 5 sides.
A Decatetragon
It has 14 sides! The regular polygon with 14 sides is called a tetradecagon.
Fourteen. Each polygons has the same number of sides as it has vertices. Therefore, a polygon with 14 vertices must have 14 sides.
The name of a polygon with 15 sides is a pentadecagon
14-gon
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 four-sided polygon is a Tetradecagon.
A polygon with 6 sides is called a hexagon.