Answer:
7
Step-by-step explanation:
 
        
             
        
        
        
What are u asking, the difference?
        
                    
             
        
        
        
Answer:
thats cool but is this a math problem? there is no question to answer here just fyi
Step-by-step explanation:
 
        
             
        
        
        
are you sure this is full question? 
 
        
                    
             
        
        
        
Answer: 12.56
Step-by-step explanation:
If I remember correctly, the equation for circumference is C=2r*pi (R representing radius). For this problem, if 2 is your radius 2R would equal 4. Take this number and multiply it by 3.14 (pi) to get your final answer.