Предмет: Геометрия, автор: kpokra946

диоганали прямоугольника равны доказательство

Ответы

Автор ответа: Ne0X

0

Ответ:

Доказательство

Объяснение:

Рассмотрим прямоугольные и. Катет – общий, как противоположные стороны прямоугольника. по двум катетам. Следовательно. Что и требовалось доказать. Теорема. Признак прямоугольника. Если у параллелограмма диагонали равны, то этот параллелограмм – прямоугольник.

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