The sum of the perimeters of a square and a rectangle is 120 metres. If the sum of the length and breadth of the rectangle is 28 cm, then find the area of the square.
Perimeter of the rectangle = 2 x 28 = 56 cm Perimeter of the square = 120 – 56 = 64 cm Each side of the square = 64/4 = 16 cm Therefore, area of the square = 162 = 256 cm2
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