Answer:
Solution,
[tex]tan \: theta = \frac{opposite}{adjacent} [/tex]
[tex]tan \: 60 = \frac{h}{50} \\ 5 \: tan \: 60 = h \\ h = 50 \: tan \: 60 \\ h = 87 \: feet[/tex]
hope this helps..
Good luck on your assignment..
