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9. The perimeter of a square is 40 cm. A rectangle of length 20 cm has the same area as that of the square. Find the breadth of the rectangle. |
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Answer» -step explanation:The answer will be 5 ..... EXPLANATION is below......Perimeter of square =40 cmLet the side be xA.T.Q,Perimeter of a square = 4 × sides40 cm = 4x4x = 40 cmX = 40 / 4X = 10 cmSo, area of the square,Side × side m square = 10 × 10 cm= 100 cm SQUAREAREA of square = Area of rectangle100 cm square = 100 cm squareIn the rectangle,LENGTH = 20 cmBreadth = xArea = 100 cm squareA. T. Q,Length × breadth = Area20 × X = 10020 x = 100X = 100 / 20X = 5 CMI hope this HELPS (^.^) |
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