Предмет: Геометрия, автор: elya074

Отрезок АВ пересекает плоскость альфа в точке О. BD и АС перпендикулярны плоскости альфа. AC=6, BD=12, OB=13. Найдите CD

Ответы

Автор ответа: vika111111122222

ответ отрезок сд= 7.................

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