A and B are supplementary

A and C are supplementary

m∠ A = m∠ B

m∠ C = m∠ D

34°

180°

112°

79°

 $45\degree$  

 $135\degree$  

 $88\degree$  

 $8\degree$  

 $88\degree$  

 $45\degree$  

 $135\degree$  

 $108\degree$  

 $96\degree$  

 $129$  

 $84\degree$  

 $49\degree$  

100

105

95

90