Réponses

2014-06-04T19:09:49+02:00
Triangle ABC = 3,4 x 3,7: 2 = 6,29 cm²
Triangle EDF= 2,5x 2,2:2 = 2,75cm²
Triangle GHI = 4,4 x 1,3:2 = 2,86cm²
Triangle MLK= 2,8x 2:2 = 2,8cm²