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The perimeter of a square is thrice the perimeter of R rectangle. If the perimeter of the square is 84 cm and tllc length of the rectangle is 8 cm, what is the difference between the breadth of the rectangle and the side of the square?A. 15 cmB. 19 cmC. 10 cmD. 8 cm |
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Answer» Correct Answer - A Permeter of the square = 84 cm Perimeter of the rectangle = 28 cm Permeter of the rectangle = 2(l+b) or, 2(8 + b) = 28 cm or, b =14-8 = 6 cm `:. " Breadth of the rectangle "= 6 cm` Side of the square `=84/4=21 cm` Dofference = 21 - 6 = 15 cm |
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