Предмет: Геометрия, автор: blagadima

1.Треугольник ABC и параллелограмм ADFB пересекается по прямой AB.

а)Может ли быть DB ll AC?

б)Как расположена средняя линия MN и прямая DF?

2.Из точки А проведена к плоскости M наклонная, пересекающая плоскость в точке O.На этой прямой взяты точки B и C так, что BC=8м,BO=14м.Расстояние точки C от плоскости M равно 6м. Найти расстояние точки B от плоскости M

Помогите решить 1 задачу хотя бы пожалуйста(( срочно (98баллов)

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Автор ответа: nat59gut81

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Ответ:

Объяснение: 1) а)DB может быть ll AC

б)MN ║ DF, так как каждая из них ║АВ

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