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4 identical rectangles, (1) , (2) , (3) , and (4) , are part of a square, EFGH. The total area of (1) , (2) , (3) , and (4) is 32 cm2. The area of ABCD is 20 cm2. What is the sum of the perimeters of (1) , (2) , (3) , and (4) ?

  cm

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Correct!