using System;

    public class Rectangle

    {

​

        private double length;

        private double width;

​

        public Rectangle(double length, double width)

        {

            this.length = length;

            this.width = width;

        }

​

        public double GetLength()

        {

            return this.length;

        }

​

        public double GetWidth()

        {

            return this.width;

        }

​

        public bool IsSquare()

        {

            return this.width == this.length;

        }

        public double GetDiagonal()

        {

            return Math.Sqrt(this.length * this.length + this.width * this.width);

        }

​

        public void SetLength(double length)

        {

            this.length = length;

        }

​

        public void SetWidth(double width)

        {

            this.width = width;

        }

​

        public string ToString()

        {

            return "Rectangle the Length is : " +

                      this.length + " the Width is : " +

                      this.width;

        }

​

public static void Main()

    {

    Rectangle r = new Rectangle(16.0,1.0);

    Console.WriteLine(r.ToString());

    if(r.IsSquare())Console.WriteLine(r.IsSquare());

    else Console.WriteLine(r.IsSquare());

    r.SetLength(r.GetLength()/4.0);

    r.SetWidth(r.GetWidth()*4);

    Console.WriteLine(r.ToString());

    if(r.IsSquare()) Console.WriteLine(r.IsSquare());

    else Console.WriteLine(r.IsSquare());

    }

    }

​

​

​