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8 August, 01:13

Surface area of a rectangular prism with length 10 meters, width 20 meters, and height 4 meters

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  1. 8 August, 01:49
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    640 m^2.

    Step-by-step explanation:

    There are 6 faces to this prism:

    2 with dimensions 20*10 = 2*200 = 400 m^2

    and 2*20*4 = 160 m^2

    and 2*10*4 = 80 m^2

    Total surface area = 400+169+80 = 640 m^2.
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