Question

ii)
The error in the measurement of
sides of a rectangle is 1%. The error in
the measurement of its area is
(A) 1%
(B) 1/2%
(C) 2%
(D) None of the above.


​

Answer 1

Answer:

c) 2%.................................

Explanation:

The formula for the "area of a rectangle" is Length × Breadth. ... So, the formula to calculate the error in the area will be (Error in length) ×1 + (Error in breadth)×1. So the answer will be (1% × 1) + (1% × 1) = 2%.