pls help me get this answer I need it quick

Answer:
6
Step-by-step explanation:
the 2 shortest legs squared and added together is the same as the longest leg squared
100-64=36 ([tex]10^{2}[/tex]-[tex]8^{2}[/tex]=36)
[tex]\sqrt{36}[/tex] is 6 (36÷6=6)
the equations are in parentheses and bolded, italicized, and underlined
hope this helps