Tetradecagon is the correct name for a shape with 14 sides. :D
A fourteen-sided regular polygon is called a tetradecagon or a tetrakaidecagon.
A shape with six sides is a hexagon.
The shape has 50 sides is Pentacontagon
A shape with three sides is called a triangle.
There is no specific name for such a shape.
The name of the shape is a quadrilateral.
Any shape that has 4 sides is a quadrilateral
An hexagon is the name of a shape that has 6 sides.
tetrahaidecahedron, sometimes called a tetradecahedron
A shape with five sides is pentagonal.
A 2D shape with 9 sides is called a Nonagon.
A pentagon has five sides.