The shape is called Icositriskaidcayon or Icositriddecagon.
Tetradecagon is the correct name for a shape with 14 sides. :D
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.
A 230-gon. Luckily people gave up on naming particular sided shapes around the time you get to 20 sides. The convention after that is just to state the number of sides, and stick "gon" on the end.
Any shape that has 4 sides is a quadrilateral
An hexagon is the name of a shape that has 6 sides.
A shape with five sides is pentagonal.
A 2D shape with 9 sides is called a Nonagon.
A pentagon has five sides.