

1. 
Which pair of angles are complementary? 


A. 

B. 



C. 

D. 



Hint 


2. 
Angles A and B are complementary. If mA = 25°, what is mB? 


A. 
65° 
B. 
25° 


C. 
75° 
D. 
90° 


Hint 


3. 
Which drawing shows supplementary angles? 


A. 

B. 



C. 

D. 



Hint 


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


A. 
110° 
B. 
11° 


C. 
10° 
D. 
101° 


Hint 


5. 
The county engineer is designing a new road to cross existing Oak Boulevard as shown in the diagram. What is the missing angle measure? 





A. 
15° 
B. 
41° 


C. 
51° 
D. 
39° 


Hint 


