A square and a rectangle have the same perimeter. The side of the square is 14 cm, and the length of the rectangle is 18 cm. Find the breadth of the rectangle.
Perimeter of the square = 4 * 14 = 56 cm. Perimeter of the rectangle = 2(l + b), where l = 18 cm. Equating the perimeters, 56 = 2(18 + b). Solving, b = 10 cm. Correct answer: a) 10 cm
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