If anyone can i help me

Answer:
x=9.4
x=9.43
Step-by-step explanation:
I used the Pythagorean theorem.
Have a nice day!
and can I maybe have brainliest? Thanks!
Answer:89
Step-by-step explanation:
the equation is a^2+ B^2= c^2
8^2+ 5^2= X^2
64+25= X^2
89= X^2