Area and Volume

SAT Math· difficulty 4/5

Two similar cylinders have radii in ratio 2:32:3. What is the ratio of their volumes?

  • A

    2:32:3

  • B

    4:94:9

  • C

    16:8116:81

  • D

    8:278:27

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Explanation

Volume scales by cube of length ratio: 23:33=8:272^3:3^3=8:27.

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