Предмет: Геометрия, автор: mifana

ABCD - квадрат, AD = 7 корень из 2 см.Найдите S квадрата ABCD

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Автор ответа: AntonGrivin

Площадь квадрата находится по формуле S=a^2 (это главное, что нужно помнить). А остальное просто арифметические вычисления.
S=(7√2)^2=49×2=98 см^2.

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