Предмет: Математика, автор: KatyaOgneeeva8

найдите площать квалрата если известно сто его периметр равен 48см

Ответы

Автор ответа: Скрыт475

Р=4а
48=4а
а=12 (см)
S=a²
S=12*12=144 (cм²)

Автор ответа: dachavip2002

1)48/4=12(см) сторона квадрата
2)12*12=144(кв см)
Ответ: 144 кв см площадь квадрата

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