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Area and Volume

SAT Math· difficulty 3/5

A cylinder has volume 48π48\pi and height 33. What is its radius?

  • A

    44

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  • B

    66

  • C

    22

  • D

    33

Explanation

48π=πr2(3)48\pi=\pi r^2(3), so r2=16r^2=16 and r=4r=4.

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