Design and implement classes/subclasses.1) Develop an inheritance hierarchy based upon a Polygon class that has abstractmethods area() and perimeter().2) Implement classes Triangle, Quadrilateral, Pentagon, Hexagon, and Octagon thatextend this base class, with the obvious meanings for the area() and perimeter()methods.3) Also implement classes, Isosceles Triangle, Equilateral Triangle, Rectangle, andSquare, that have the appropriate inheritance relationships.4) Finally, write a simple program th