# Find The Height Of Vertical Tower

A vertical pole and a vertical tower are standing on the same level ground. Height of the pole is 10 meters. From the top of the pole the angle of elevation of the top of the foot of the tower are 60^{0 }and 30^{0} respectively. The height of the tower is

- 20 m
- 30 m
- 40 m
- 50 m