A figure formed by two rays with a common initial point, is.

In the given figure name the three rays.

In the given figure name the three angles.

In the adjoining figure, name the angles indicated by using three letters for $\angle 9$.

In the adjoining figure, name the angles indicated by using three letters for $\angle 5$.

In the adjoining figure, name the angles indicated by using three letters for $\angle 11$.

In the adjoining figure, name the angles indicated by using three letters for $\angle 3$.

In the adjoining figure, name the angles indicated by using three letters for $\angle 4$.