Answer:7.40 meters
Step-by-step explanation:
I went with 163 cm for the height as that is where the eyeline is and where she would be looking from. (h for hawk btw)
All you do is:
tan(30)=h/10
10*tan(30)=h
h≈5.77 meters
163cm is 1.63 meters, so add it to 5.77 and you will get 7.40
Oh and here's this for further help https://www.ck12.org/book/ck-12-trigonometry-concepts/section/1.13/