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14 July, 06:46

What will happen to the volume of a cylinder if the radius is halved?

A. 1/4 as large

B. 1/5 as large

C. 1/3 as large

D. 1/2 as large

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Answers (1)
  1. 14 July, 06:59
    0
    A. 1/4 as large

    Step-by-step explanation:

    The volume of a cylinder is given by

    V = pi r^2 h

    Cut the radius in 1/2

    V = pi (1/2r) ^2 h

    V = pi (1/4) r^2 h

    V = 1/4 pi r^2 h

    The volume is 1/4 what is was before we cut the radius in 1/2
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