1) On a BA²=AC²+BC²=9+25=34 cm

Donc BA= cm =5.83 cm

2) On a FE² = DF²+DE²

Alors DF²=FE²-DE²=49-30.25=18.75 cm

Donc DF= cm= 4.33 cm

3) GH²=IH²+GI²

Alors GI²=GH²-IH² = 20.25-7.84 = 12.41 cm

Donc GI= cm = 3.52 cm

4) On a JL²=LK²+JK² = 17.64+36.96 = 57.33 cm

Donc JL = cm = 7.57 cm