//File: Circle1.h #ifndef CIRCLE1_H #define CIRCLE1_H #include #include "Shape1.h" using namespace std; //Derived class Circle definition class Circle : public Shape //Shape is the base class for Circle { public: //Constructor Circle (double, double, double, string); //Destructor ~Circle() {}; //Accessors double radius() const; void center(double &, double &) const; //facilitators double circumference() const; double area() const; private: //radius double m_rad; //coordinates of center double m_x, m_y; }; #endif