#include using namespace std; class Rectangle { public: Rectangle(float w, float h) { width = w; height = h; } ~Rectangle() {} float GetArea() { return width * height; } void SetWH(float w, float h) { SetWidth( w); SetHeight(h); } void SetWidth(float w) { width = w; } void SetHeight(float h) { height = h; } float GetCircumference() { return 2*width +2* height; } Rectangle(Rectangle &r):Rectangle(r.width,r.height) { } private: float width; float height; }; int main() { Rectangle rect(4,5); cout << "rect's Area: " << rect.GetArea() << endl; cout << "rect'sCircumference: " << rect.GetCircumference() << endl<