Mensurationhard · Past Paper
The length of a rectangle is increased by 20% and its breadth is decreased by 20%. The net change in area is:
ANo change
B4% increase
C4% decrease
D2% decrease
✓ Correct Answer: C — 4% decrease
New area = (1.2L) * (0.8B) = 0.96 LB. This is a 4% decrease.
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