Предмет: Математика, автор: алёнаивк

площадь квадрата 36 дм2 узнай его периметр

Ответы

Автор ответа: zhenyaM2002

Площадь квадрата:
S= а*а= a² , где а - сторона квадрата
а²=36
а=√36
а₁=-6 - не удовл. условию
а₂=6 (дм) сторона квадрата

Периметр квадрата:
Р= а+а+а+а = 4*а
Р= 4*6 =24 (дм)

Ответ: Р= 24 дм.

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