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By what per cent will the area f a squar...

By what per cent will the area f a square change if its side is increased by `10%`?

A

`10%` increase

B

`20%` increase

C

`10%` decrease

D

`21%` increase

Text Solution

Verified by Experts

The correct Answer is:
D

(i) Let a side of the square be 10 units.
(ii) Let the initial side of the square be 10 cm, then increased side of the square is 11 cm.
(iii) Find the area of the square in both the cases.
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