using System;

public class triangle

{

    public double b;

    public double h;

    public triangle(double x, double y)

    {

        b = x ;

        h = y ;

    }

}

​

public class Program

{

    public static void Main()

    {

        triangle t1 = new triangle(5.5,5);

        Console.WriteLine("triangle base = {0}",t1.b);

        Console.WriteLine("triangle height = {0}",t1.h);

        Console.WriteLine("triangle area = {0}",0.5*t1.b*t1.h);                  

    }

}