Mathematics, 12.06.2020 03:57, baeethtsadia

. Радиус основания конуса равен 12 см. Через середину высоты конуса проведена плоскость параллельно основанию. Найдите площадь полученного сечения.

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. Радиус основания конуса равен 12 см. Через середину высоты конуса проведена плоскость параллельно...