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Posted by **MathLover** on Sunday, February 27, 2011 at 10:10pm.

- Math -
**MathMate**, Sunday, February 27, 2011 at 10:28pmVolume of cylinder, 1256 m³

= πd²h/4

h=13, π=3.14159, solve for d.

- Math -
**Anonymous**, Sunday, February 27, 2011 at 11:14pmIdg how to to do x squared

- Math -
**MathMate**, Monday, February 28, 2011 at 12:26amd² is the same as d*d, or d multiplied by itself.

so

πd²h/4=1256

multiply by 4 on each side,

πd²h = 5024

divide by πh on each side:

d²=5024/(13π)=123

d=√(123)=11 metres.

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