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March 30, 2017

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a paper towel roll is shaped like a cylinder. it is 4cm wide and 28 cm tall. find its volume to the nearest tenth. use 3.14 for pi

  • math - ,

    Volume of a cylinder
    =πr²h
    where r=radius of the base, h=height.
    Hint:
    4 cm wide means that the diameter is 4cm, so the radius is half that, or 2cm.

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