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Math Help - help please units

  1. #1
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    help please units

    could anyone help me with this and show me the working???
    a plumbing firm is required to make a copper cylinder of 155litres capacity. of which the max diameter of the cylinder must not exceed 425mm. how high will the cylinder need to be??
    many thanx
    jim
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  2. #2
    Eater of Worlds
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    Be careful with this one. The units are litres and mm.

    155L=155,000,000 mm^3
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