72, 45 , 63
Объяснение:
∠ CBM = 180 - ∠CBN
∠ CBM = 180 - 71 = 108
∠ABC = ∠ CBM - 63 = 108 - 63 = 45
∠BAC = 180 - 72 - 45 = 63
72, 45 , 63
Объяснение:
∠ CBM = 180 - ∠CBN
∠ CBM = 180 - 71 = 108
∠ABC = ∠ CBM - 63 = 108 - 63 = 45
∠BAC = 180 - 72 - 45 = 63