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In a school, an SUPW exam is conducted i...

In a school, an SUPW exam is conducted in class X. Rubina wins 1st prize. She made a square embroider handkerchief with 9 circular thread designs on it.

Area of square is equal to :

A

4a

B

`a^2`

C

2a

D

3a

Text Solution

Verified by Experts

The correct Answer is:
B
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