Предмет: Геометрия, автор: AleksandraLion

Срочно решение, помогите

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Ответы

Автор ответа: jbf4437

1 — неверно.
2 — верно, это 1 свойство диагоналей параллелограмма.
3 — верно, ибо формула для нахождения площади прямоугольника b * h, что является произведением двух его смежных сторон.

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