Предмет: Геометрия, автор: ManDadovich

В треугольной пирамиде SABC точки Е, К, Р, принадлежат ребрам АВ, SB, SC соответственно, причем PK не параллельная BC. Постройте сечение тетраэдра плоскостью ЕКР.

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Автор ответа: Simba2017
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