Предмет: Алгебра, автор: Vitalka12

в треугольнике ABC угол с равен 90 ac=3 sin a=корень из 7/4.Найти АВ

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Автор ответа: helpme58

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смотри .......................................

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Автор ответа: Аноним

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sin a=AC/AB AB=AC/sin a=3/корень из 7/4=2.3

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