Question

Mark four non-collinear points on a paper and draw all possible line
segments. How many line segments can be drawn?​

Answer 1

Answer:

A,B and C are three non-collinear points on a paper.

⇒ The lines of pair we can draw are AB,BC and CA.

⇒ So we can see through these three non-collinear points we can draw 3 different pairs of lines.