Question

Take any three non-collinear points A, B, C on a paper. How many lines in all can you drawn through different pairs of the points?

Answer 1

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

$\Rightarrow$ The lines of pair we can draw are $AB,BC$ and $CA$.

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