Предмет: Алгебра, автор: MySnope

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Автор ответа: emptykrash

0

Ответ:

Пропорция: 4 дм - 2,4 дм

4,8 дм -х дм

Зависимость обратно пропорциональная: во сколько раз больше длина второго прямоугольника, во столько раз меньше его ширина.

x = 4 - 2,4 : 4,8 = 2 дм - ширина второго прямоугольника.

Ответ: 2 дм.

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