C#-Program Rectangle and Circle

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

//Namespace declaration
namespace figures
{
    //Rectangle Class declaration
    class rectangle
    {
        // member variables
        double length;
        double breadth;
        double height;
     
        //member function to accept data values
        public void Acceptdata()
        {
            length = 3.5;
            breadth = 2.5;
            height = 1.5;
  
        }
        //member function to get area and volume of rectangle
        public double GetArea_Rect()
        {
            return length * breadth;
        }
        public double GetVolume_Rect()
        {
            return length * breadth * height;
        }
       

        //member function to display dimensions of rectangle
        public void Dimension_Rect()
        {
            Console.WriteLine("Dimensions of rectangle");
            Console.WriteLine("Length: {0}", length);
            Console.WriteLine("Breadth: {0}", breadth);
            Console.WriteLine("Height: {0}\n", height);
        }
       
        //member function to display area of rectangle
        public void Display_Area()
        {
            Console.WriteLine("Area Of Rectangle: {0}", GetArea_Rect());
        }
        //member function to display volume of rectangle
        public void Display_Volume()
        {
            Console.WriteLine("Volume Of Rectangle: {0}\n", GetVolume_Rect());
        }
    }

        //Circle Class declaration
        class circle
        {
            // member variables
            double radius;
            //member function to accept data values
            public void Acceptdata()
            {
                radius = 5.5;
            }
            //member function to get area and circumference of circle
            public double GetArea_Circle()
            {
                return 3.14 * radius * radius;
            }
            public double GetCircumference()
            {
                return 2 * 3.14 * radius;
            }
            //member function to display dimensions of Circle
            public void Dimension_Circle()
            {
                Console.WriteLine("Dimensions of Circle");
                Console.WriteLine("Radius: {0}\n", radius);

            }
            //member function to display area of circle
            public void Display_Area()
            {
                Console.WriteLine("Area Of Circumference: {0}", GetArea_Circle());
            }
            //member function to display circumference of circle
            public void Display_Circumference()
            {
                Console.WriteLine("Circumference Of Circle: {0}\n", GetCircumference());
            }
       
    }
    //Main class declaration
    class ExecuteFigures
    {
        //Main method   
        static void Main(string[] args)
        {
            Console.WriteLine("**Geometric Figures**\n");

            // Creating instance/object of claas rectangle
            rectangle r = new rectangle();

            //Calling member functions using instance of class rectangle
            r.Acceptdata();
            r.Dimension_Rect();
            r.Display_Area();
            r.Display_Volume();

            // Creating instance/object of claas circle
            circle c = new circle();

            //Calling member functions using instance of class circle
            c.Acceptdata();
            c.Dimension_Circle();
            c.Display_Area();
            c.Display_Circumference();
           
        }
    }
}