A) \[28\,\,cm\]
B) \[28\,\,c{{m}^{2}}\]
C) \[28\,\,{{m}^{2}}\]
D) \[28\,\,m\]
Correct Answer: A
Solution :
Area of square formed\[=49\,\,c{{m}^{2}}\] So, its side \[=7\,\,cm\] Hence, the length of the wire \[=4\times 7\,\,cm=28\,\,cm\]You need to login to perform this action.
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