% error

  1. Hi if i have to find the percentage error of a volume measurement in a cylindrical column , how do i do it please?

    height x pi x r2
    I know that the height has a % error of 4%, the radius is 0.5cm +/- 0.1cm
    so that would mean in the radius the % error is : 0.1/0.5 x 100 = 20%

    but what happens to the overall % erro in the volume( considering the radius is squared?)

    Thanks
     
  2. jcsd
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