Question

the error in the measurement of radius of a sphere is 0.2 % what is the percentage error in the measurement of surface area​

Answer 1

$\huge\mathfrak\pink{\underline{\underline{AnSwer}}}$

surface area of sphere is

A = 4 π r^2

given,... error in measurement of redius = 0.2%

so, ∆r/r = 0.2% = 0.002

so, error in measurement of sphere =

0.002 × 2= 0.004 = 0.4%

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