Предмет: Математика, автор: muzaffarovazamat689

Помогите плиз. Ширина прямоугольника 90 см, а его площадь - 180 дм².Чему равен периметр этого прямоугольника?

Ответы

Автор ответа: Пеппер
0

Ответ:

8 дм

Пошаговое объяснение:

Выразим ширину в дециметрах

90 см = 9 дм

Найдем длину прямоугольника

180:9=20 дм

Р=2(20+9)=2*29=58 дм

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