public static void Main()
Console.WriteLine("Ingrese a: ");
int a = Convert.ToInt16(Console.ReadLine());
Console.WriteLine("Ingrese b: ");
int b = Convert.ToInt16(Console.ReadLine());
Console.WriteLine("Ingrese c: ");
int c = Convert.ToInt16(Console.ReadLine());
double ls = ((a+b+c) /2);
double at = Math.Pow((ls * (ls - a) * (ls - b) * (ls - c)), 0.5 );
Console.WriteLine("El area del triangulo es: {0}", at);