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The perimeter of a rectangle is 85 m. It's breadth is 20 m less than its length. Find the dimensions of the rectangle. |
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Answer» ssume the the length to be x m So breadth WOULD be ( x - 20 ) mPerimeter of RECTANGLE = 2 ( l+b ) 85 m = 2 ( x+x -20 )85 m = 2 ( 2x - 20 ) = 8x - 80 8x = 80+85 m x = 165/2 m Length of rectangle = x = 165/2 m ( or 82.5 m )Breadth of rectangle = (x-20)= 165/2 - 20 = 165-40/2 = 125/2 m(or 62.5 m)MARK as brainliest !! |
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