A) \[2\sqrt{3}\,m\]
B) \[\sqrt{3}\,m\]
C) \[4\sqrt{3}\,m\]
D) \[6\sqrt{3}\,m\]
Correct Answer: D
Solution :
| Since, \[\sin A=\frac{BC}{AC}\,\,\,\,\,\Rightarrow \,\,\,\,\,\,\sin 30{}^\circ =\frac{BC}{AC}\] [Using eq. (1)] |
| \[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\frac{1}{2}=\frac{3\sqrt{3}}{AC}\,\,\,\Rightarrow \,\,AC=6\sqrt{3}m\] |
| So, option [d] is correct. |
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