Im taking a test pls help

The figure below shows a triangle with vertices A and B on a circle and vertex C outside it. Side AC is tangent to the circle. Side BC is a secant intersecting the circle at point X:

The figure shows a circle with points A and B on it and point C outside it. Side BC of triangle ABC intersects the circle at po

What is the measure of angle ACB? (6 points)

Group of answer choices

32°

60°

28°

16°