Answer:
8.944
Step-by-step explanation:
To find the missing Length, Use Pythagorean Theorem!
[tex]a^2+b^2=c^2[/tex]
[tex]4^2+8^2=c^2[/tex]
[tex]16+64=c^2[/tex]
[tex]80=c^2[/tex]
[tex]\sqrt{80} =8.944[/tex]
so it is approximately 10 but not quiet
hope this helps
