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geometry

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Find the ratio of surface area to volume for a cube with a volume of 64 in^3.

  • geometry - ,

    I have now done quite a few of these type of questions for you.
    Show me that you can do this easy one.

  • geometry - ,

    v = s^3
    64 = s^3
    s = 4 in
    SA = 6s^2
    = 6 x 4^2
    = 1024 in^2
    Now I know v = 64 in^3 & SA = 1024 in^3
    The ratio is 1024/64 = 16:1

    is it right????

  • geometry - ,

    6 x 4^2
    = 6x16
    = 96 , not 1024

    so ratio is 96/64 = 3/2

  • geometry - ,

    thanks

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