using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace OOP

{

    public class Circle

    {

        private int radius;

        string color;

        public int Radius

        {

            get { return radius; }

            set { radius = value; }

        }

        public string Color

        {

            get { return color; }

            set { color = value; }

        }

        public void Circlee()

        {

            Console.WriteLine("Circle: "+color);

        }

        public void SetRadius()

        {

            radius = 12;

        }

        public void GetRadius()

        {

            Console.WriteLine("Radius: " + radius);

        }

        public void GetArea()

        {

            double area = Math.PI * (radius*radius);

            Console.WriteLine("Area: " + area);

        }

        public void GetPerimeter()

        {

            double perimeter = 2*Math.PI*radius; 

            Console.WriteLine("Circumference: " + perimeter);

        }

    }

​

    public class Program

    {

        public static void Main(string[] args)

        {

            Circle circle = new Circle();

            circle.Color = "Red";

            circle.Circlee();

            circle.SetRadius();

            circle.GetRadius();

            circle.GetArea();

            circle.GetPerimeter();

        }

​

    }

}