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 Form 3 Mathematics Approximations and Errors Questions and Answers

The length and breadth of a rectangular floor were measured and found to be 4.1 m and 2.2 m respectively. If a possible error of 0.01 m was made in each of the measurements,find the:
(a)maximum and minimum possible area of the floor.
(b) maximum possible wastage in a carpet ordered to cover the whole floor.

 (3m 11s)
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