Question

In the figure, given below, O is the centre of the circumcircle of triangle XYZ.

Tangents at X and Y intersect at point T. Given ∠XTY = 80°, and ∠XOZ = 140°, calculate the value of ∠ZXY.

Answer 1

In the figure, a circle with centre O, is the circum circle of triangle XYZ.