Предмет: Математика, автор: dianaterxova20

Длина прямоугольника 16 см чему равна ширина если периметр 40 см.

Ответы

Автор ответа: Milena17

P = 2(а+в), где а - длина, в - ширина прямоугольника
40 : 2 - 16 = 4 (см) - ширина
Ответ: 4 см

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