# At a point 20 m away from the foot of a tower, the angle of elevation of the top of a tower is 30 degree. what is the height of the tower?

Options :
1. 15 m
2. 20 m
3. 11.53 m
4. 14.2 m

Explanation:

Let height of tower is is h. h /20 = tan 30 degree = 11.53 m

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