Answer:
6.4
Step-by-step explanation:
A^2+B^2=C^2
(5*5)+(4*4)=C^2
25+16=[tex]C^{2}[/tex]
41=[tex]C^{2}[/tex]
[tex]\sqrt{41}[/tex]=[tex]\sqrt{C^{2} }[/tex]
c= 6.4