Create a class Shape and two additional classes (each derived from Shape) named Rectangle and Triangle. The member attributes and functions for each class are given below: Shape: private: int width; int height; public: virtual int getArea(); Rectangle: public: int getArea(); Triangle: public: int getArea(); Driver Program: Rectangle r1(3,2); Triangle t1(3,2); Shape *s1 = &r1; s1->getArea(); Shape *s2 = &t1; s2->getArea();

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