Answer:
17 ft
Step-by-step explanation:
We can start by using the pythagorean theorem:
a^2 + b^2 = c^2
We are already given the hypotenuse as 18, and the legs as both 7 and h. We can substitute this in:
7^2 + h^2 = 18^2
49 + h^2 = 324
h^2 = 275
h ≈ 16.5831239518
This can be rounded to 17 ft
