Предмет: Математика, автор: andrejbra83654

В треугольнике ABC проведена биссектриса BD, а к ней проведён перпендикуляр CQ, причём точка Q лежит внутри треугольника ABC. Докажите, что площадь треугольника ABQ равна половине площади треугольника ABC . С рисунком, и даю 100 балов!!!

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Автор ответа: liftec74

Ответ:

Пошаговое объяснение: см файл

Приложения:

ecb062a1049dadfdae25fc5b4440a017.pdf

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