va rog dau coroana

Răspuns:
∡ANM = ∡ACB (corespondente)
=> MN || BC
=> ΔAMN ≈ ΔABC =>
=> AM/AB = AN/AC = MN/BC
MN || BC => ∡AMN = ∡ABC
∡BAC = 180° - (∡ABC + ∡ACB)
= 180° - 134°
= 46°