Предмет: Геометрия, автор: bhhhkkg

СРОЧНО!!! Найдите площадь треугольникаABC,если AB= 8см, AC= 9 умножить на корень из 2см.Угол A= 45 градусам

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Автор ответа: Elo4kaw

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bhhhkkg: Можете ещё с задачками помочь ? Пожалуйста

bhhhkkg: 1) В треугольнике ABC угол C равен 90. BC равен 21, AC равен 3 корня из 51. Найдите cosB

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