Предмет: Математика, автор: мурзик41

площадь прямоугольника 64,8 кв.см , одна сторона его равна 12 см. вычисли периметр прямоугольника

Ответы

Автор ответа: love67

0

S=64,8 см²
а=12 см
в=S:a=64,8:12=5,4 см
Р=(12+5,4)*2=34,8 см

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