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math

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A large cube is made up of 27 small cubes. Each of the six faces of the large cube has 9 small squares. Each small square has an area of 144 square millimeters.

What is the length of each side of the large cube?

  • math -

    small squares are 12x12
    cube faces are 3x3 of 12x12 = 36x36

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