2017 · Q83
There are 8 lines in a plane, no two of which are parallel. What is the maximum number of points at which they can intersect ?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A15
- B21
- C28
- DNone of the above
Explanation
With no two parallel, every pair of lines meets exactly once: C(8,2) = 28 points. Hence option (C) 28.