# The length and breadth of a rectangular sheet are  and  respectively. The area of the sheet in appropriate significant figures and error is:a) b) c) d)

The answer is the option (i)

Explanation: Given :

Now,  area (a) =

$\frac{\Delta A}{164}=(\frac{10.1\times0.1+16.2\times0.1}{16.2\times10.1})$

Thus,

We get by rounding off

$Thus, \Delta A=(163\pm 3)cm^{2}$

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