Please look at the picture I have been stuck on this question and I would really appreciate it if you can help me thank you

Answer:
52 feet
Step-by-step explanation:
distance is 6 from the question
6 = 5/6 √h
6/5 (6) = √h
36/5 = √h
7.2 = √h
7.2x7.2 = h
h = 51.84
this is Apx huh?