An observer 1.6 m tall is 20 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:

An observer 1.6 m tall is 20 away from a tower. The angle of elevation

1.	An observer 1.6 m tall is 20 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:
A.	21.6 m
B.	23.2 m
C.	24.72 m
D.	None of these
Answer» B. 23.2 m

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An observer 1.6 m tall is 20 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:

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