Предмет: Математика, автор: nastyat3770

Выбери верное утверждение. В ответе укажи его номер.
1. Существует вписанный четырёхугольнике, сумма противоположных углов в котором равна 120 градусов.

2. Касательная к окружности перпендикулярна к радиусу, проведённому в точку касания.

3. Трапецией называется четырёхугольник, у которого две стороны параллельны.

Ответы

Автор ответа: vikanevaznova

ответ №2

остальные просто теоретически не возможны

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