Предмет: Математика, автор: olchik199821

Cрочно решить

3)Известны координаты (см. таблицу 1) в прямоугольной системе координат трех точек , являющихся вершинами треугольника. Изобразить треугольник в этой прямоугольной системе координат и найти:
3.1 координаты векторов , и их длины;
3.2 скалярное произведение векторов , и угол между векторами , ;
3.3 векторное произведение векторов , и площадь треугольника ;
3.4 значение параметра , при котором векторы и будут коллинеарны;
3.5 координаты точки , делящей отрезок в отношении ;
3.6 каноническое уравнение стороны ;
3.7 уравнение с угловым коэффициентом и угловой коэффициент прямой, проходящей через точку параллельно прямой ;

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Ответы

Автор ответа: jalatin34

Ответ:треугольник шир 12см выс 4см

Пошаговое объяснение:

Вот так оно решается

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