An observer 2 m tall is $$10\sqrt 3 $$m away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The height of the tower is:

An observer 2 m tall is $$10\sqrt 3 $$m away from a tower. The angle o

1.	An observer 2 m tall is $$10\sqrt 3 $$m away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The height of the tower is:
A.	4 m
B.	2 m
C.	0 m
D.	one of these
Answer» C. 0 m