Предмет: Геометрия, автор: Викуля10класс

прямые а и в пересекаются,прямые а и с параллельны.могут ли прямые в и с быть скрещивающимися?почему?

Ответы

Автор ответа: Zukhraa

В плоскости, параллельной той, в которой лежат А и В, проводим С, параллельную В. С очевидностью А и С не пересекаются и не параллельны, т.е. скрещивающиеся.

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