The dimensions of a rectangular container which is filled up with water are 6.5cm by 8cm by 12.5cm. Pour the water into a cylindrical container with a bottom diameter of 10cm. The height of the water is 2/3 of the height of the cylinder. What is the height of the cylinder?
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A26/π
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B29/π
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C29/2π
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D39/π
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E39/2π
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正确答案: D