Предмет: Геометрия, автор: Sem7272373

Высота треугольника проведённая к стороне 20 см равна 15 см. Найдите высоту , проведённую к другой стороне длина которой 30 см.
Номер 2:
Боковая сторона равнобедренной трапеции равна√13 м, а основания равны 3 м и 4 м. Найдите площадь трапеции .
Номер 3:
sin A равен √3 дробь 3 . Найдите cos A , tgA

Ответы

Автор ответа: zebinisokurganova

Ответ:

не знаю не знаю сам решай Удачи=

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