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31 March, 12:45

Net for a cube has a total surface area of 150 in. 2. what is the length of one side of a square face

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  1. 31 March, 13:35
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    Surface area of a cube is given by

    SA=6a²

    but

    SA=150 in²

    thus

    150=6a²

    solving for a we obtain:

    150/6=a²

    a²=25

    thus

    a=√25

    a=5 inches

    hence the side length is 5inches
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