Vot Tebe Ring

using System;

namespace Task02_6
{
    internal class Ring
    {
        private double innerrad;

        private double outerrad;

        public Ring(double ir, double or)
        {
            this.InnerRad = ir;
            this.OutterRad = or;
        }

        public double InnerRad
        {
            get
            {
                return this.innerrad;
            }

            set
            {
                if (value < this.outerrad)
                {
                    this.innerrad = value;
                }
            }
        }

        public double OutterRad
        {
            get
            {
                return this.outerrad;
            }

            set
            {
                if (value > this.innerrad)
                {
                    this.outerrad = value;
                }
            }
        }

        public double TotalCircumference()
        {
            return (2 * this.innerrad * Math.PI) + (2 * this.outerrad * Math.PI);
        }

        public double Area()
        {
            return (Math.PI * Math.Pow(this.outerrad, 2)) - (Math.PI * Math.Pow(this.innerrad, 2));
        }
    }
}