<PRE><B>Question 772862</B>
How many cubic metres of concrete are required to fill a column with a radius of 600mm and a height of 4 metres?
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radius = 600mm = 600/1000 = 0.6 meters
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Volume = (pi)(0.6)^2*4 = 1.44pi cu meters
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Cheers,
Stan H.
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