Answer: Definition of Vertical Angles. 
 
        
                    
             
        
        
        
Answer:
1. 6   2. 8  3. 4     4.40 5 . 4                                                                                                 Step-by-step explanation:
 
        
             
        
        
        
I got the answer 9.12. In the hundredths place, it would be 2.
Hope this helps! :D
        
                    
             
        
        
        
just move the protractor to the diagram/line and measure the angle from the side of the lil curved line :)
 
        
             
        
        
        
Answer:
The answer is box 4
Step-by-step explanation: Because they will remain parallel