public class ExamTD120062007Exo3 {
  public static void main(String [] args) {
    Position s1 = new Position(1.0F,6.0F,3.0F);
    System.out.println(s1);
    Position s2 = new Position(8.5F,8.0F,2.0F);
    System.out.println(s2);
    Position s3 = new Position(6.5F,2.0F,1.0F);
    System.out.println(s3);
    Triangle t = new Triangle(s1,s2,s3);
    System.out.println(t);
    Direction n = t.normale();
    System.out.println(n);
  }
}