Предмет: Геометрия, автор: vlad5444

даю 27 баллов кто решит
три прямые пересекаются в одной точке. Найдите сумму углов 1 и 2 если ∆3=31°
Сам угол на картинке​

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Ответы

Автор ответа: Clevermen1
1

Ответ:

180-31=149 градусов

ответ 149 градусов

Объяснение:

всё очень просто

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