Question

The error in the measurements of the sides of a rectangle is 1%. The error in the measurement of its area = ?​

Answer 1

Answer:

2%

Explanation:

Area of rectangle = l^2

=2l/l

=2%

Answer 2

Explanation:

Since, we know the formulae of the area is known to be length*breadth. So, the the error in the length and breadth separately will be L*B or deltaL + deltaB where the value of the length and breadth error are 1% respectively. So, the error in the area will be 1+1= 2%.