$\angle2$  

 $\angle3$  

 $\angle6$  

 $\angle8$  

 $\angle7\ and\ \angle8$  

 $\angle2\ and\ \angle3$  

 $\angle1\ and\ \angle7$  

 $\angle6\ and\ \angle4$  

 $115\degree$  

 $65\degree$  

 $180\degree$  

Cannot be determined

 $63\degree$  

 $117\degree$  

 $180\degree$  

Cannot be determined

supplementary

congruent