Area and Volume

SAT Math· difficulty 4/5

Two similar spheres have surface areas in ratio 9:259:25. What is the ratio of their volumes?

  • A

    9:259:25

  • B

    27:12527:125

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  • C

    81:62581:625

  • D

    3:53:5

Explanation

SA ratio 9:259:25 means length ratio 3:53:5, so volume ratio 27:12527:125.

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