public class Area
{
  public static void main(String[] args)
  {
    double a=2.0;
    double b=2.7;
    double c=3.5;

    double s= (a+b+c)/2;
    double A= Math.sqrt(s*(s-a)*(s-b)*(s-c));
    System.out.println("El area es "+A);
    Consola.esperar();
} }