What will be the output of the following C++ code? #include using namespace std; class polygon protected: int width, height; public: void set_values (int a, int b) width = a; height = b; ; class output1 public: void output (int i); ; void output1::output (int i) cout << i << endl; class rectangle: public polygon, public output1 public: int area () return (width * height); ; class triangle: public polygon, public output1 public: int area () return (width * height / 2); ; int main () rectangle rect; triangle trgl; rect.set_values (4, 5); trgl.set_values (4, 5); rect.output (rect.area()); trgl.output (trgl.area()); return 0;

Answer: Option C