Task$1$:

Update the program such that it will continuously prompt the user to

enter a choice like $1.$ for square, $2.$ for triangle, $0.$ for the exit.

if the user enters $1$ display area and the perimeter of the square

if the user enters $2$ display area and the perimeter of the triangle

otherwise, exit.

Task$2$:

Create a similar concept program and demonstrate the stack and heap

allocation of memory.

Task$3$:

Create a similar concept program and demonstrate the pointer to the base class

Create a similar concept program and demonstrate the virtual members

Create a similar concept program and demonstrate the abstract base class