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13 April, 03:35

An open box (with no lid) is in the shape of a cube and is painted on the outside including the base. what surface area is painted if the side length of the box is 20cm

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  1. 13 April, 03:57
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    20 X 20 = area of one side

    400 cm2

    painted only 5 sides

    400 x 5 = 2000 cm2
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