A) 4 cm
B) \[4\sqrt{2}\,\,cm\]
C) 3 cm
D) \[3\sqrt{2}\,\,cm\]
Correct Answer: A
Solution :
Let length of each side of a equilateral triangle = a cm Then, Area of an equilateral triangle \[=4\sqrt{3}\,\,sq.cm\] \[\frac{\sqrt{3}}{4}{{a}^{2}}=4\sqrt{3}\] \[{{a}^{2}}={{4}^{2}}\] \[a=4\,\,cm\]
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