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3 June, 14:58

what is the surface area of a storage box that measures 21 centimeters by 18 centimeters by 16 centimeters

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  1. 3 June, 15:16
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    2004 cm²

    Step-by-step explanation:

    To solve this problem, you just need to plug your values into the rectangular prism formula: A=2 (wl+hl+hw)

    Assuming that the length is 21 cm, the width is 18 cm, and the height is 16 cm, your problem would look like this:

    A=2 ((18x21) + (16x21) + (16x18)) = 2 (378+336+288) = 2x1002=2004 cm²
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