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the ratio of the length of the rectangle to its perimeter is 7:20. find the breadth of the rectangle if its perimeter is 120 |
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Answer» n : The RATIO of the LENGTH to the perimeter of a rectangle is 7 : 20 . Let us assume that the length of the rectangle is l meters and the breadth is b meters .Perimeter of rectangle : 》2[ Length + Breadth ] Now , it is given that the perimeter is 120 m. > 2( Length + Breadth ) = 120 > Length + Breadth = 60 m Length : Perimeter = 7 :20 > Length : 120 =7/20 Length = 42 m Thus , the breadth of the rectangle is 18 m . This is the REQUIRED ANSWER. ________________________________________ |
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