railway RRB Junior Stenographer (Ministerial and Isolated Categories) Mock Test Quantitative Aptitude Trigonometry Heights and Distances
An observer 1.6 m tall is 20√3 m away from a tower. The angle of elevation from his eye to the top of the tower is 30°. The height of the tower is
1
21.6 m
2
23.2 m
3
24.72 m
4
21.4 m