What is the length of XZ

Answer:
[tex]XZ=13\ units[/tex]
Step-by-step explanation:
we know that
In the right triangle of the figure XYZ
Applying the Pythagorean Theorem
[tex]XZ^2=XY^2+YZ^2[/tex]
substitute the given values
[tex]XZ^2=12^2+5^2[/tex]
[tex]XZ^2=144+25[/tex]
[tex]XZ^2=169[/tex]
square root both sides
[tex]XZ=13\ units[/tex]