Mathematics, 23.05.2020 02:06 wrivera32802

. Радиус основания конуса равен 12 см. Через середину высоты конуса проведена плоскость параллельно основанию. Найдите площадь полученного сечения. A) 144π см2; B) 12π см2; C) 36π см2; D) 9π см2.

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

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