C = 10
C = v52
C = 8
C = 120

Answer:
[tex]c = \sqrt{52}[/tex]
Step-by-step explanation:
[tex]c^{2} = a^{2} + b^{2}[/tex]
[tex]c^{2} = 4^{2} + 6^{2}[/tex]
[tex]c^{2} = 16 + 36\\[/tex]
[tex]c^{2} = 52[/tex]
[tex]\sqrt{c^{2} } = \sqrt{52}[/tex]
[tex]c = \sqrt{52}[/tex]