//File: Rectangle1.h #ifndef RECTANGLE1_H #define RECTANGLE1_H #include #include "Shape1.h" using namespace std; //Derived class Rectangle definition class Rectangle : public Shape //Shape is the base class for Rectangle { public: //Constructor Rectangle (double, double, double, double, string); //Destructor ~Rectangle() {}; //facilitators double width() const; double height() const; double perimeter() const; double area() const; private: //upper left hand corner coordinates double m_xul, m_yul; //lower right hand corner coordinates double m_xlr, m_ylr; }; #endif