The length and breadth of a rectangular floor were measured and found to be 4.1 m and 2.2 m respectively. If possible error of 0.01 m was made in each of the measurements, find the:

Question

(a) Maximum and minimum possible area of the floor
(b) Maximum possible wastage in carpet ordered to covert the whole floor

Answer 1

a. A = 4.1m * 2.2m = 9.02 m^2.
A max = (4.1+0.01) * (2.2+0.01) =
A min. = (4.1-0.01) * (2.2-0.01) = 8.957
m^2.

Answer 2

Yes