Предмет: Математика, автор: seregarobot1

Сечения тетраэдра и параллелипипеда

Ответы

Автор ответа: tyutyurini

Секущая плоскость тетраэдра или параллелепипеда - это любая плоскость, по обе стороны от которой имеются точки данного тетраэдра или параллелепипеда. Секущая плоскость пересекает грани по отрезкам. Многоугольник, сторонами которого являются эти отрезки, называется сечением тетраэдра или параллелепипеда.

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