PDF chapter test TRY NOW

Observe the following figure and answer the questions below.
 
Vert opp ex.png
 
(i) Choose the pair of vertically opposite angles.
 
 
(ii)The pair of angles \(\angle BOC\) , \(\angle FOG\) are not equal.
 
 
(iii) If \(\angle AOB\) \(=\) \(31^{\circ}\), then the measure of \(\angle EOF\) is _________ degrees.