in C++:

Q1. Consider the following class specification and develop a derived class called Circle which inherit from the class Point

The class Circle includes:

• A constructor Circle( double r = 0.0, int x = 0, int y = 0 )
• A method void setRadius( double )
• A method double getRadius() const;
• A method double area() const;
• double radius as data member

Answer:

1 2 // Fig. 19.4: point.h // Definition of class Point #ifndef POINT_H #define POINT_H 3 4 5 6 #include