Предмет: Математика, автор: riznikvasil77

Знайдіть площу квадрата периметр якого дорівньоє 212 см

Ответы

Автор ответа: Davymen9

Ответ:

Пошаговое объяснение:

Мы знаем что у квадрата все стороны равны.

1)212/4=53(1-сторона квадрата)

Что бы найти площу квадрата надо одну сторону умножить на соседнюю.

2)S=53*53= $2809^{2}$

Ответ: S= $2809^{2}$

Автор ответа: MiroslavaMuromskaya

Ответ:

2809 см2

Пошаговое объяснение:

212:4=53 см одна сторона квадрата

53*53=2809см2 площадь квадрата

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