Question

If the length of a rectangle is increased by
20% and breadth is decreased by 10%.
Find the percentage change in the area
of that rectangle ?
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Answer 1

Answer:

Let L, B & A be the initial length , breadth & area respectively of the rectangle. Hence, increase in area = (108/100 -1). l.b = 8/100*lb = 8% . Ans.

Answer 2

Here us your answer mate