A) \[150-60\sqrt{3}m\]
B) 90 m
C) \[150-20\sqrt{3}m\]
D) None of these
Correct Answer: C
Solution :
[c] \[(150-h)cot30{}^\circ =60\] \[\Rightarrow h=150-20\sqrt{3}\]You need to login to perform this action.
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