Ответ:
∠ABC = 100° ∠ACB =40°
Пошаговое объяснение:
∠ BAH =90°(∠AHB) - 40° (∠ABH) =50°
∠CAH = 50°
∠ABH = 90° (∠AHC) - 50°(∠CAH) = 40°
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Ответ:
∠ABC = 100° ∠ACB =40°
Пошаговое объяснение:
∠ BAH =90°(∠AHB) - 40° (∠ABH) =50°
∠CAH = 50°
∠ABH = 90° (∠AHC) - 50°(∠CAH) = 40°