Question

Draw any four points $A,B,C$ and $D$ on your note book such that no three of them are collinear$.$ Draw all lines that join them in pairs$.$

Answer 1

Consider four points $A,B,C$ and $D$ on your note book in such a way no three of them are collinear.

$$\begin{gathered} AC \\ BD \end{gathered}$$

now join each point to other to form a line segment$.$

there are six line segments$.$

$AB,AC,AD,CB,CD$ and $BD$