Can someone's help me please

Answer:
8.5
I hope this helps.
Step-by-step explanation:
7^2 + x^2 = 11^2
Answer:
h = 8.5 ft
Step-by-step explanation:
Let height of kite be h ft.
Therefore, by Pythagoras theorem:
[tex]h = \sqrt{ {11}^{2} - {7}^{2} } \\ = \sqrt{121 - 49} \\ = \sqrt{72} \\ = 8.48528137 \\ \huge \red{ \boxed{\therefore \: h = 8.5 \: ft}}[/tex]