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21 February, 08:42

A cylinder has a surface area of 150π inches2. What is its height if the radius is 5 inches?

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Answers (2)
  1. 21 February, 08:52
    0
    15inches

    Double the radius is 10 which is the diameter and 150π divide by 10 π equal to 15 inches
  2. 21 February, 09:07
    0
    Using the formula

    h = (A/2πr) ﹣r

    Plug in the values in the equation

    h = (150π/2π5) - 5

    (π would cancel π and 2*5=10. Therefore 150:10=15)

    h = 15-5

    h = 10
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