The measured radius of a circle is 80 m with a possible error of 0.05 – McqOptions

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1.	The measured radius of a circle is 80 m with a possible error of 0.05 m in its diameter. The error in the computed area will nearly be
A.	+ 6.5 m2
B.	– 0.65 m2
C.	± 12.6 m2
D.	± 8.2 m2
Answer» D. ± 8.2 m2

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