Ответ:
∠ 1 + ∠ 2 = 180°
Пусть ∠ 2 = х, тогда ∠ 1 = (х+28)
х + х + 28° = 180°
2х = 152°
х = 76° ← ∠ 2
х+28° = 104° ← ∠ 1
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Ответ:
∠ 1 + ∠ 2 = 180°
Пусть ∠ 2 = х, тогда ∠ 1 = (х+28)
х + х + 28° = 180°
2х = 152°
х = 76° ← ∠ 2
х+28° = 104° ← ∠ 1