Discussion

Explanation:

Let the length and breadth of rectangle be L and B. So area = LB

New Length = 1.2L

New Breadth = 0.9B

Hence new area = 1.2L × 0.9B = 1.08 LB

Percentage change in area = (1.08 LB - LB)/LB × 100 = 8% increase.

Hence, option (e).

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