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The perimeter of a square is 9 cm. Cut it into three rectangles of the same size. How long is the perimeter of each rectangle The perimeter of a square is 9 cm. Cut it into three rectangles of the same size. How many cm is the perimeter of each rectangle?
If the perimeter of the original square is 9 cm, the side length is 9 / 4 cm;
Divide it into three equal rectangles, then the width of the rectangle = (9 / 4) / 3 = 3 / 4cm
Then the circumference of the rectangle = (9 / 4 + 3 / 4) * 2 = 6cm
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