直角三角形第斜边计算

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace 直角三角形斜边计算{    class Program    {        static void Main(string[] args)        {            RightTriangle c=new RightTriangle();            c.a=6;c.b=8;            Console.WriteLine(c.Hypotenuse);            Console.ReadKey();        }    }    class RightTriangle    {        public double a=3;        public double b=4;        public double Hypotenuse//只读属性        {            get{return Math.Sqrt((a*a)+(b*b));}//计算返回值        }    }}