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3 May, 00:29

Calculate the surface area of a solid box in the shape of a cube with side length 6cm.

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  1. 3 May, 00:54
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    216 cm^2

    Step-by-step explanation:

    A cube has 6 congruent, square faces.

    Each face has side length of 6 cm.

    The total surface area is the sum of the surface areas of the 6 faces, but since all faces are congruent, the total surface area is

    SA = 6s^2

    where s = side length

    SA = 6 * (6 cm) ^2

    SA = 6 * 36 cm^2

    SA = 216 cm^2
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