An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated
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An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated

[From: ] [author: ] [Date: 11-10-18] [Hit: ]
......
100 cm is read as 102 cm.

A1 = (100 x 100) cm2 and A2 (102 x 102) cm2.

(A2 - A1) = [(102)2 - (100)2]

= (102 + 100) x (102 - 100)

= 404 cm2.

Percentage error = 404 x 100/100 x 100 % = 4.04%
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