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Ответ

Ответ дан
546456
72 см² / 9 см = 8 см (ширина прямоугольника)
8*2 + 9*2 = 16+18 = 34 см (периметр)

Ответ

Ответ дан
bilina1180
длинна=72/9=8см
периметр=8*2+9*2=34см

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