Предмет: Геометрия, автор: miki2002

Параллельные прямые c и d пересечены прямой a.по данным найдите угол a(alpha).
1) 67°
2) 57°
3) 123°
4) 87°

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Ответы

Автор ответа: onerepublik4
0
180°-123°=57°
ответ: 2
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