Предмет: Геометрия, автор: lera65780


нужно найти х, простите за качество фото, заранее спасибо​

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Автор ответа: marshal500
1

Ответ:

Объяснение:

АС - диагональ квадрата;

по т. Пифагора - АС²=а²+а²=2а², АС=а√2

тогда а=АС/√2=6√2/√2=6 м.

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