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13 July, 21:46

The cube has surface area 864 in2, so each of its edges has a length of what?

Answers (2)
  1. 13 July, 21:51
    0
    Cube has six sides

    864/6 = 144

    a square has 4 sides, so your answer is 144/4 = 36.
  2. 13 July, 21:54
    0
    A=6s^2 and A=864

    6s^2=864

    s^2=144

    s=12 in.
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