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        the area of a square is calculated as (100+-2)cm2.the measured value of its length
9 months ago

Khimraj
3008 Points
							error in area = (2/100)*100 = 2%error in area = 2*(error in length of side)so error in length of side = 1%so length odf side is 10 $\pm$ 0.1 cmHope it clears....................

9 months ago
Arun
22545 Points
							Dear student If area is 100 cm² Then length = sqrt (100) = 10 cm Hope it helps RegardsArun (askIITians forum expert)

9 months ago
Arun
22545 Points
							Dear student I forgot about error there will be an error of 1 % also as area has 2% error.HenceLength = 10+- 0.1 cm

9 months ago
Umesh lahoti
16 Points
							Maximum error in length=0.1cmBy error analysis-  2/100=2×0.1/xNow x= 10 Measured value of length=(10+-0.1)

9 months ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions