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27 September, 11:29

How much frosting will be needed to frost a cake that is a rectangular prism with the length of 13 inches, width 10 inches & height of 4 inches

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  1. 27 September, 11:38
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    Surface area of a rectangular prism = 2 (wl + hl + hw)

    l = 13

    w = 10

    h = 4

    SA = 2 ((10*13) + (4*13) + (4*10))

    SA = 2 ((130 + 52 + 40))

    SA = 2 (222)

    SA = 444 inches^2 <===
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