package w5;

public class Main {
    ShapeUtil st;
    public static void main(String[] args) {
        ShapeUtil st=new ShapeUtil();
        Shape circle=new Circle(9, 9);
        Shape triangle=new Triangle(9, 2);
        Shape retangle=new Retangle(9, 4);
        st.printArea(circle);
        st.printArea(triangle);
        st.printArea(retangle);
    }
}