What are the conditions necessary for the formation of an angle?

Name the above angles in both the ways.

Draw the angle mentioned below.

$\angle POQ={130}^{\circ }$

Draw the angle mentioned below.

$\angle AOB={180}^{\circ }$

Draw the angle mentioned below.

$\angle MRQ={170}^{\circ }$

Draw the angle mentioned below.

$\angle YOZ=70°$.

Is $\angle COD>\angle AOF$, is $\angle EOF>\angle COD$, if no, why?