Предмет: Математика, автор: ногамирукамир

помогите с номером 255 пж ...

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Автор ответа: Чуπик
1
P1-(2+122)×2=248 см
Р2-(21+21)×2=84 см
S1=2×112=244 см
S2=21×21=441 см
Периметр первого прямоугольника больше чем у второго.
Площадь второго прямоугольника больше чем у первого.
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