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Matthew is constructing a rectangular prism with a volume of 729 cubic inches. The prism will have the least possible surface area.

a) describe the prism and what will be its dimensions
b) what will be its surface area

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anonymous
4 answers

  1. a cube has minimum area
    729 = 9^3

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    oobleck

  2. delete the one on top of this one
    V = s^3
    729 = s^3
    s = 9 inches (A 9” x 9” x 9” cube)
    SA = 6s^2
    = 6(9)^2
    = 486 square inches
    is my answer correct?

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    anonymous

  3. is my answer correct?

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    anonymous

  5. yes

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    oobleck

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