The percentage error in the evaluation of the area of one surface of a rectangular sheet is 2.2%. The length and breadth are measured using a meter scale. If the breadth is 7.9 cm, calculate the length of the sheet?

The percentage error in the evaluation of the area of one surface of a

1.	The percentage error in the evaluation of the area of one surface of a rectangular sheet is 2.2%. The length and breadth are measured using a meter scale. If the breadth is 7.9 cm, calculate the length of the sheet?
Answer» SOLUTION :% ERROR in `ETA=(DeltaP//P)+4(Deltar//r)+(Deltal//l)+(DeltaQ//Q)=0.4%+4XX(0.001//0.041)XX100%+(0.1//15)xx100%+0.3%=11.1%`