<ALB = 180° - 112° = 68° (смежные углы).
В ∆ALB <LAB = 180°-106°-68° = 6°.
В ∆ABC
<A = 12°. <C = 180°- 106° - 12° = 62°.
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<ALB = 180° - 112° = 68° (смежные углы).
В ∆ALB <LAB = 180°-106°-68° = 6°.
В ∆ABC
<A = 12°. <C = 180°- 106° - 12° = 62°.