Answer:
6°
Step-by-step explanation:
First thing to do is to find x,
Angle STU is exactly half of RSU because of the properties that a circle has
so the information that he have is
[tex]\frac{x}{2}-12=x-10\\\\x-24=2x-20\\\\-4=x[/tex]
now plug in x for x-10
we get 6
