Ответ:
100°
Пошаговое объяснение:
пусть ∠ACL = ∠LCB = x
тогда ∠BAC = 2x
∠LAC + ∠ACL = 180° - 120° = 60°
2x + x = 60°
3x = 60°
x = 20°
2x = 40°
∠ABH = 180° - 40° - 40° = 100°
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Verified answer
Ответ:
100°
Пошаговое объяснение:
пусть ∠ACL = ∠LCB = x
тогда ∠BAC = 2x
∠LAC + ∠ACL = 180° - 120° = 60°
2x + x = 60°
3x = 60°
x = 20°
2x = 40°
∠ABH = 180° - 40° - 40° = 100°