public class circles
{
    public static void main(String[] args) {

        double Radius = 3.712;
        double circumference = (Math.PI * 2 * Radius);
        double area = (Math.PI * Radius * Radius);

        circumference = (double)Math.round(circumference * 100d) / 100d;
        area = (double)Math.round(area * 100d) / 100d;

        System.out.println("The Radius of the circle = " + Radius);
        System.out.println("The Area of the circle = " + area);
        System.out.println("The Circumference of the circle = " + circumference);
    }
}