A) \[21{{m}^{2}}\]
B) \[35{{m}^{2}}\]
C) \[34{{m}^{2}}\]
D) \[13{{m}^{2}}\]
Correct Answer: A
Solution :
Calculate no. of shaded boxes. It comes out to be 21. And each box has area of\[1{{m}^{2}}\]. So the area of shaded region becomes\[21{{m}^{2}}\].
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