using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

double tolkaam1, tolkaam2, tolalwtr, msahtmotalat,mohitalmotalat;

        Console.Write("طول القائم الاول ");

        tolkaam1=double.Parse(Console.ReadLine());

        Console.Write("طول القائم الثاني");

        tolkaam2=int.Parse(Console.ReadLine());

        Console.Write("طول الوتر ");

        tolalwtr=double.Parse(Console.ReadLine());

        msahtmotalat=tolkaam1*tolkaam2/2;

        mohitalmotalat=tolkaam1+tolkaam2+tolalwtr;

        Console.WriteLine("the msahtmotalat is={0} and the mohitalmotalat is {1}",msahtmotalat,mohitalmotalat);

    }

}

​

​