Bonjour
Cos 66 = AB/AC
Cos 66 = AB/ 11.2
AB = 11.2 * cos 66 = 4.55
AB = 4.55 km
CB² = 11.2 ² - 4.55 ² = 104.7375
CB = √104.7375 ≈ 10.23 km
distance voilier 1 = ≈ 10.23 + 4.55 ≈ 14.78 km
AD² = 11.2 ² - 9.6 ² = 33.28
AD = √33.28 ≈ 5.77 km
distance voilier 2 = 9.6 + ≈ 5 .77 ≈ 15.37 km
