public class Cone {
    private double radius;
    private double height;


    public Cone() {
        radius = 1;
        height = 1;
    }
    public Cone( double i, double j) {
        radius = i;
        height = j;
    }
    public double volume(){
        return (1.0/3) * Math.PI * radius * radius * height;
    }

    public double perimeter() {
        return (1/3) * (22/7.0) * radius * radius * height;
    }
    public double area() {
        return (22/7.0) * radius * (radius + Math.sqrt(height * height) + (radius * radius));
    }
    public String toString() {
        return "The volume and area of this Cone  is " + "" + area();
    }
    public void setVariables(double l, double w) {

        height = w;
        radius = l;
    }
}