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MathematicsMathematics
18 July, 13:43

Write an algebraic expression which represents the volume of a cylinder whose radius is 3k and height is 2k + 1.

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Answers (2)
  1. 18 July, 15:07
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    V = Pi r^2 h

    V = Pi (3k) ^2 (2K+1) = Pi (9k^2) (2K+1)

    V = (18K^3 + 9K^2) Pi
  2. 18 July, 17:24
    0
    V=hπr^2

    V = (2k+1) π (3k) ^2

    V=π (2k+1) (9k^2)

    V=π (18k^3+9k^2)

    V=18πk^3+9πk^2
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