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2 July, 03:56

What is the surface area of a cube with 3 on each side in square millimeters?

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  1. 2 July, 07:24
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    Ok so surface area

    cube has 6 faces

    each face is a square

    so

    surfac area=6 times (area of a square)

    area of a square=side times side=side^2

    side=3

    therefore we have

    SA=6 (3^2)

    SA=6 (9)

    SA=54

    assuming that the side is 3mm

    54mm^2 is surface area
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