math

The sides of a cube are DOUBLED in length. How many times larger is the SURFACE AREA of the new cube? *

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  1. size of original cube ====> x by x by x
    surface area = 6x^2

    new cube ====> 2x by 2x by 2x
    new surface area = 6(2x)^2
    = 24x^2

    which is 4 times the surface area of the original.

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