Mathématiques

Question

EXERCICE 3.8
please merci bcp ❤​
EXERCICE 3.8 please merci bcp ❤​

0 Commentaire.

1 Réponse

  • Bonsoir,

    cos(C) = HC/AC = 3,5/7 = 1/2

    => C = 60 degrés


    cos(B) = BH/AB = 5/8

    => B = 51,3 degrés


    enfin A = 180 - B - C = 68,7 degrés

Autres questions