Question

11)
The error the measurment of the
sides of a rectangles 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:

THE CORRECT ANSWER IS (A)

Answer 2

Answer:

2%

Explanation:

let the sides of rectangle be a and b

then area

A=ab

∆A/A = ∆a/a + ∆b/b

= 1/100 + 1/100

=2/100

= 2%