Write a class Polygon that has the following members:

Protected members:

width, height: integers

Public members:

Default Constructor

Constructor with Parameter

Function set$\_$values, which takes two integers and sets the values of width and height.

Pure virtual function area.

printinfo$()$ function to print the height and width

Class Rectangle that inherits from class Polygon and has the following members:

Public members:

function area that implements the pure virtual function area$()$ and should return $($width$*$height$).$

printinfo$()$ function to print the height, width, and area.

Class Triangle inherits from class Polygon and has the following members:

Public members:

function area that implements the pure virtual function area$()$ and should return $($width$*$height$/2).$

printinfo$()$ function to print the height, width, and area.

Main function that creates two objects rec and tri of class Rectangle and Triangle, respectively. It should then assign the address of rec and tri to two pointers poly$1$ and poly$2$ of type Polygon. You should use these two pointers to set the values of width and heights, then calculate and use printinfo$()$ to print out all details for each object.

ANSWER only in C$++$

ONLY C$++$