Answer:
x=sqrt(12) or 2sqrt(3)
Step-by-step explanation:
You can just use pythagorean theorem for this.
We can do 4^2+x^2=8^2
This gives us 16+x^2=64.
Simplify: x^2=48
x=sqrt(48)
Now, we can find x!
We just have to do 6^2+x^2=sqrt(48).
We get 36+x^2=48
simplify: x^2=12
Now, x=sqrt(12) or 2sqrt(3)
