A) 20m
B) 40m
C) 60m
D) 80 m
Correct Answer: B
Solution :
Given, \[{{\theta }_{2}}={{\tan }^{-1}}\frac{3}{5}\] \[\tan {{\theta }_{2}}=\frac{3}{5}\] ... (i) In \[\Delta AOC\], \[\tan {{\theta }_{1}}=\frac{AC}{OA}\] \[=\frac{\frac{1}{4}h}{40}=\frac{h}{60}\] ?. (ii)You need to login to perform this action.
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