Предмет: Геометрия, автор: 1dashulka

Пирамида пересечена плоскостью, параллельной основанию,
которая делит высоту пирамиды в отношении 3 : 4, считая от вершины.
Вычисли площадь основания, если площадь сечения равна 27 дм2.
Sосн. =
Впиши пропущенное слово:

если пирамиду пересекает плоскость, которая параллельна основанию, то в сечении получается многоугольник, __
многоугольнику основания

Ответы

Автор ответа: kirichekov

Ответ:

1). площадь основания пирамиды = 63 дм^2

2). подобный

Объяснение:

решение во вложении

Приложения:

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