Предмет: Геометрия, автор: mammadov2005

Высота правильной четырехугольной пирамиды ABCDS о основанием ABCD и вершиной S вдвое больше длины стороны основания. Найдите косинус угла между прямыми AB и CS.​

antonovm: Про сыр у вас задача была интереснее , а это - плинтус
mammadov2005: спасибо, я просто сам решил эту, в ответе ошибку допустили, хочу сверить свой ответ незнаю как
antonovm: ( корень из 2 ) /6

Ответы

Автор ответа: sova5089
0

Ответ:

У пирамиды ABCDS не может быть высоты, так как условия задачи противоречат друг другу. Поэтому нельзя найти косинус угла между прямыми AB и CS.

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