Verified Answer :

any answer choices to choose from so i can help??

\(a^{2}+b^{2}=c^{2}\) So you plug in the numbers:

\(a^{2}+8^{2}=10^{2}\)
and solve for a:
\(a^{2}=36\)
\(a=\sqrt{36}[/tex}
[tex]a=6\)