Предмет: Математика, автор: Nurdik78

Буду очень благодарен!

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Автор ответа: Аноним

1

S квадрата = 3*3 = 9

У прямоугольника стороны ищем по т. Пифагора.

а = √(1 + 1) = √2

b= √(4 + 4) =√8

S прямоугольника = √2*√8 = √16 = 4

Ответ : 4/9

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