Question

In measuring the side of a square, an error of 5%in excess is made. the error percent in the calculated area is?

Answer 1

Area of square ( A ) = ${side}^{2} = {s}^{2}$
Given, dS/S = 5%.

So, change in area, dA/A = 2 × dS/S =2× 5% = 10%.

Answer 2

I hope you will be satisfied