par Bryston » Lun Déc 18, 2006 5:14 pm
Haha, that one puzzled us a lot when we saw it! If you look very closely, you will notice that those triangles are not exactly triangles. The top lines are not straights: the one on the top triangle goes inwards while the one on the bottom one bends outwards. The difference in area is one 'block'.
-= Ahuntsic Squad (Membre honoraire) =-