Q:
If each side of a square is increased by 25%, find the percentage change in its area?
Answer & Explanation
Answer: B) 56.25
Explanation: let each side of the square be a , then area =
As given that The side is increased by 25%, then
New side = 125a/100 = 5a/4
New area =
Increased area=
Increase %= % = 56.25%
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