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The length and breadth of a rectangular object are 25.2 and 16.8 respectively and have been measured to an accuracy of 0.1cm. Find the %error in the area

of the object.



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% error in area =  % error in length + % error in width
         =  0.1/25.2 * 100 + 0.1/16.8 * 100  = 0.99 %

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