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The square shown is divided into 4 congruent rectangles. If the perimeter of the square is 144 units, what is the perimeter of one of the four congruent rectangles?

 Sep 30, 2018
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If the PERIMETER Of the square is 144    each side is 144/4 = 36 units

     then each SHORT side of the rectangles is    36/4 = 9

       the LONG side of each rectangle is 36 also

           so perimeter = 36 + 9 + 36 + 9 = 90 units

 Sep 30, 2018

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