2016 · Q81
If a transversal intersects four parallel straight lines, then the number of distinct values of the angles formed will be
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A2
- B4
- C8
- D16
Explanation
A transversal cutting parallel lines produces only two distinct angle measures. These are an acute angle θ and its supplement 180°−θ. They repeat at every intersection, so the answer is 2, option A.