Answer:
5
Step-by-step explanation:
3^2+4^2=x^2
x=5
[tex] {a}^{2} + {b}^{2} = {c }^{2} \\ {3}^{2} + {4}^{2} = {c }^{2} \\ \sqrt{25} = c \\ 5 = c[/tex]