A) \[2{{a}^{2}}\]
B) \[\frac{{{a}^{2}}}{\sqrt{2}}\]
C) \[\frac{{{a}^{2}}}{2}\]
D) \[\frac{{{a}^{2}}}{4}\]
Correct Answer: C
Solution :
Side of a square \[=\frac{a}{\sqrt{2}}\,cm\] Then, the area of the square \[={{\left( \frac{a}{\sqrt{2}} \right)}^{2}}\] \[=\frac{{{a}^{2}}}{2}\]
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