

1. 
Angles A and B are supplementary. If = 45°, find . 


A. 
75° 
B. 
135° 


C. 
45° 
D. 
90° 


Hint 


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


A. 
25° 
B. 
90° 


C. 
65° 
D. 
75° 


Hint 


3. 
Classify the pair of angles below. 





A. 
complementary 
B. 
both 


C. 
neither 
D. 
supplementary 


Hint 


4. 
Which drawing shows supplementary angles? 


A. 

B. 



C. 

D. 



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. 
39° 
B. 
51° 


C. 
41° 
D. 
15° 


Hint 


