[100 POINTS] Find the values of x, y, and z.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Let's solve ~
x and y are values that represent the angle made by respective arcs on centre of the circle
that is :
Here, Angle x + Angle z = 180°
[ because they form linear pair ]
Now, we can observe that angle made by Arc Y is equal to :