Предмет: Математика, автор: 312018

длина прямоугольника 60 мм, а ширина на 4 см, меньше. Чему равен его периметр?

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Автор ответа: vikaavgustinsk

0

Переводим 4 см в мм, 4см-40мм. 1) 60-40=20(мм)-ширина прямоугольника. 2) 40+40+20+20=120(мм)-периметр прямоугольника.

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