bonsoir DM J AI VRAIMENT BESOIN D AIDE SVP

1) AH = AC/2 = 232/2 = 116m
2) HB= HA+ AB = 116 + 73 = 189m
3) Théorème de thalès: HS/H'S' = BH/BH'
HS = (BH/BH') * H'S' = (189/1.3)* 1 = 145m environ