In the given figure, XY is diameter of the circle with center O, and PQ is tangent at a point Z> If ∠XZP = 55º, then what is the value (in degree) of ∠ZXY?
Answer & explanation
Correct answer: option 1
∠XYZ = ∠XZP = 55º
∠XZY = 90º (angle made by diameter)
In ΔXYZ
∠X + ∠Z + ∠Y = 180º
∠X + 55º + 90º = 180º
∠X = 35º