In the diagram below, \(\overline{MN}\) is a diameter of the circle. Find \(\angle XYZ\) , in degrees.
Angle(M) = ½·arc(ZN) ---> Angle(M) = 40o
Angle(N) = ½·arc(XM) ---> Angle(N) = 17.5o
In Triangle(MYN), Angle(MYN) = 180o - 40o - 17.5o = 122.5o.
Angle(MYN) and Angle(XYZ) ae vetical angles; therefore, Angl(XYZ) = ....