A) \[{{45}^{o}}\]
B) \[{{60}^{o}}\]
C) \[{{75}^{o}}\]
D) \[{{30}^{o}}\]
Correct Answer: B
Solution :
Let\[\phi \] be the angle of elevation and \[AC=\] height of towerYou need to login to perform this action.
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