Introduction - If you have any usage issues, please Google them yourself
statement a base class Shape (points) On this basis-- for Rectangle (rectangular) and Circle (Yuen), This category has three GetArea () function calculation of the area of the object, Constructors and destructor function and other functions. Rectangle re-use categories to create a derived class Square (square). Design and creation of all the different types of targets, calling all functions. Design function f (Shape