

1. 
Which pair of angles are complementary? 


A. 

B. 



C. 

D. 



Hint 


2. 
Which pair of angles are supplementary? 


A. 

B. 



C. 

D. 



Hint 


3. 
Angles A and B are supplementary. If = 45°, find . 


A. 
45° 
B. 
75° 


C. 
90° 
D. 
135° 


Hint 


4. 
Angles RST and TSU are supplementary. If = 79°, find . 


A. 
11° 
B. 
110° 


C. 
10° 
D. 
101° 


Hint 


5. 
Find the value of x in the figure. 





A. 
32° 
B. 
23° 


C. 
58° 
D. 
148° 


Hint 


