railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Heights and Distances
The angle of depression of the foot of a building from the top of a tower 30 m away is 30°. How high is the tower?
1
20√3 m
2
30 m
3
20 m
4
10√3 m