How much percentage area of a square will increase if its side is increased by 10%?
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`10%` increase `20%` increase`10%` decrease `21%` increase Show
Answer : D Solution : (i) Let a side of the square be 10 units.
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What will be the percentage increase in the area of a square?So % change area of new and old square=100002100×100=21%
What is the percentage increase in area when the square length increases by 20%?percentage increase in are =44%
What is the percent increase in area of a square if it's side is increased by 10% 20%?This is Expert Verified Answer
Hence, area of square will increase by 21% .
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