document.write( "Question 327618: if the lengths of a pair of opposite sides of rectangle were doubled and the other pair of opposite sides were each decreased by 14 meters,the new rectangle would be a square with a perimeter of 84 meters. find the rectangle's original dimension.. \n" ); document.write( "

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Let the original length and breadth of the rectangle be l m and b m respectively.
\n" ); document.write( "On changing, the new dimensions become l - 14 and 2b.
\n" ); document.write( "Given, l - 14 = 2b = 84/4 = 21
\n" ); document.write( "=> l - 14 = 21
\n" ); document.write( "=> l = 21 + 14 = 35
\n" ); document.write( "2b = 21 m
\n" ); document.write( "b = 21/2 = 10.5m
\n" ); document.write( "Hence, the original length and breadth of the rectangle are 35 m and 10.5 m \n" ); document.write( "

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