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Mathematics 9 Online
OpenStudy (anonymous):

If one edge of a cube is 11.1 mm, then what is the surface area?

hartnn (hartnn):

how many surfaces does a cube have ?

OpenStudy (anonymous):

an area of a square is x^2, or in this case, 11^2 or 11*11 a cube has 6 of those square-like faces, so first calculate 11^2

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