railway RRB Junior Stenographer (Ministerial and Isolated Categories) Mock Test Quantitative Aptitude Trigonometry Heights and Distances
A wall 1.6 m tall is 20√3 away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is:
1
21.36 m
2
21.23 m
3
21.6 m
4
None of these