$\angle1\ and\ \angle2$

$\angle3\ and\ \angle2$

$\angle4\ and\ \angle5$

$\angle3\ and\ \angle5$

 $\angle2\ \ and\ \angle4$ 

 $\angle3\ \ and\ \angle2$ 

 $\angle1\ and\ \angle4$ 

 $\angle3\ \ and\ \angle5$ 

 $\angle1\ \ and\ \angle4$ 

 $\angle3\ \ and\ \angle2$ 

 $\angle4\ \ and\ \angle5$ 

 $\angle3\ \ and\ \angle5$ 

$105.7\degree$

$180\degree$

$148.6\degree$

$15.7\degree$

 $90\degree$  

 $180\degree$  

 $360\degree$  

 $45\degree$  

 $90\degree$  

 $180\degree$  

 $360\degree$  

 $45\degree$  

 $48\degree$  

 $96\degree$  

 $132\degree$  

 $32\degree$  

 $40\degree$  

 $80\degree$  

 $120\degree$  

 $220\degree$  

sometimes

always

never