Предмет: Математика, автор: ievangelinasemenova1

4) Периметр квадрата 40 см. Обчис-
ли площу цього квадрата.

Ответы

Автор ответа: Diavolhhhh

1

Ответ:

100см²

Пошаговое объяснение:

1. Знайдемо сторону квадрата:

40 = 2*(х+х)

40 = 2х+2х

40 = 4х

х = 40/4

х = 10

2. Знайдемо площу:

10*10=100см²

Если не сложно отметь как лучший ответ

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