Question

Look at the figure below: A circle is shown with the center O.OX is a segment joining center O to a point X on the circle. YZ is a line touching the circle in Point X. Line PQ is shown intersecting the circle in points R and S. Which is the tangent to the circle? Segment OX Segment RS Segment PQ Segment YZ

Answer 1

Segment OX will be the radius.
YZ will be the tangent.
PQ might be the secant.

Hope this helps :)

Answer 2

It is the segment YZ