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30 April, 14:36

What is the surface area of a square with radius 4?

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Answers (2)
  1. 30 April, 17:54
    0
    Step-by-step explanation:

    not sure, but I got 72, does your phone say incorrect or correct?

    r=4, d=8*4=32

    8*8=16*2=32

    32+32+8=72
  2. 30 April, 18:34
    0
    i guess the answer was 16
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