A) \[50\sqrt{3\,m}\]
B) \[50\sqrt{3\,m}\]
C) \[75\sqrt{3}\,m\]
D) \[\frac{75}{\sqrt{3}}\,m\]
Correct Answer: B
Solution :
[b] Let height of the tower be h m. Then, \[\tan 30{}^\circ =\frac{h}{50}\] \[\Rightarrow \]\[h=50\frac{1}{\sqrt{3}}=\frac{50}{\sqrt{3}}\,m\] |
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