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В треугольнике АВС, в котором есть тупой угол С, провели биссектрису ВL. Угол ВLC = 45. Высоты А и В пересекаются в точке Н. Докажите, что АН = АВ
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Предмет:
Геометрия -
Автор:
bogeyellis - 6 лет назад
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Решение на рисунке.
Если будут вопросы — задавай.
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Автор:
carolinaim9m - 6 лет назад
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Определите силу тока в цепи при сопротивлении резистора R=7,2 Ом
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Внутреннее сопротивление r=0,8 Ом-
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- Как определить ЭДС источника тока?
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