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March 29, 2017

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If the volume of a rectangular solid is 80 cu inches, what dimensions will give the least amount of surface area?

  • 6th grade math - ,

    a square will give the least surface area.

    s^3=80

    side length= cuberoot 80

  • 6th grade math - ,

    not a cube, as they have not done cube roots yet. I know the answer, which would be 4x4x5, but looking for a pattern or easy way to explain it.

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