Предмет: Геометрия, автор: Olya221221

Докажите, что параллелограмм является выпуклым четырехугольником.

Ответы

Автор ответа: Alinka20023005

Нужно провести прямую через любую сторону, вы получите, что параллелограмм по одну сторону от этой прямой. Вот и все)

Автор ответа: Hrisula

Верно, т.к. многоугольник называется выпуклым, если он лежит по одну сторону от КАЭЖДОЙ прямой, проходящей через две его соседние вершины.

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