- 21.2 m
- 15 m
- 17.3 m
- none of the above

Answer: Option 3

Explanation:

Let the height of tower be h. h/10 = tan 60 degree h/10 = 1.732 h = 10*1.732 = 17.32 m

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The source of all the problems in the world is ignorance - the limited view point or narrow mindedness or the conditioned state of mind. As the individual learn the fundamental truths of life and move up in the scale of life, to that extent his/her ignorance go away and become open/free.

-Thomas Vazhakunnathu
God Does Not Play Dice