Answer:
B. 13
Step-by-step explanation:
To find the missing hypotenuse of a right triangle we can use this formula:
[tex]c = \sqrt{(a^{2} } +b^{2} )[/tex]
Lets solve:
[tex]c = \sqrt{5^{2} + 12^{2} }[/tex]
[tex]c = \sqrt{25 + 144}[/tex]
[tex]c = \sqrt{169}[/tex]
[tex]c = 13[/tex]