It’s the 31 hope this helps you
        
             
        
        
        
Answer:
3
3
5
2
Step-by-step explanation:
What kind of math is this and what grade are you in?
 
        
                    
             
        
        
        
<span>C) 
Parallel lines construction  
because they are parallel to each other</span>
        
                    
             
        
        
        
What is the size of trapezoid?
        
             
        
        
        
The answer to the question is c.