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The formula for finding the volume of a cylinder is pi multiplied by radius squared multiplied by the height. So for this case it would be pi multiplied by 6 squared multiplied by 7.5. But since you want it when it is HALF full, you would divide by two, so the answer would be 135 multiplied by pi, or around 424 metres squared of water.

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โˆ™ 2010-02-12 22:23:05
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Q: A circular tank is 12m in diameter and 7.5 m in height how much water does it hold when half full?
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