Предмет: Алгебра, автор: svetiksemitsvetik186

Найдите косинусы углов треугольника ABC,если А (1 -4) В(4 7) С (-2 1).Установите вид треугольника

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Автор ответа: MaFiOzNiK113

0

Ответ:

извини надеюсь понятно

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