using System;

public class Program

{

    public static void Main()

    {

        string sB, sH;

double dA;

double dB = 0;

double dH = 0;

​

Console.WriteLine("<---- Triangle Area Calculator ---->\n");

Console.WriteLine("This program will calculate the area of a triangle \nWe just need the base (b) and height (h)!\n");

​

Console.WriteLine("What is the base?");

sB = Console.ReadLine();

​

Console.WriteLine("What is the height?");

sH = Console.ReadLine();

​

try

{

// CONVERT THESE

dB = Convert.ToDouble(sB);

dH = Convert.ToDouble(sH);

}

catch(FormatException formatExceptionParameter)

{

Console.WriteLine("You must enter doubles.");

}

// WRITE THE FORMULA

dA = dB*dH/2;

​

Console.WriteLine("The area of the triangle is " + dA +".");

    }

}