ashnachatrathi ashnachatrathi

16-06-2020
Mathematics

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By what percentage will the area of a square increase if its side increases by 10%? ( with explanation )

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mhanifa mhanifa

16-06-2020

Answer:

21%

Step-by-step explanation:

side of square= a

area of square= a²

increased side= a+10% = a*1.1 = 1.1a

increased area= (1.1a)²= 1.21a²

the difference is 0.21 which is = 21%

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