Here is a ray $\overrightarrow{OA}$. It starts at $O$ and passes through the point $A$. It also passes through the point $B.$

Can you write the ray $\overrightarrow{OA}$ as $\overrightarrow{AO}$ ? Why? Why not?

A ray has _____ end-point/s. [one/two]

The number of ray(s) starting from one given point and passing through another fixed point is:

1. $F$is to the immediate left of $G$.
2. $E$ is $4^{th}$ to the right of $G$.
3. $C$ is the neighbour of $B$ and $D$.
4. Person who is third to the left of $D$ is at one of the ends.

Two rays forming an angle are called its_____ .

A ray has only _____ fixed point.

A part of line having one fixed end point .It goes endlessly in one direction _____.

Observe the adjacent figure and fill in the blank.

Vertex is _____.

The above figure is called: