I think it will be 0.314 radian
        
                    
             
        
        
        
Answer & Step-by-step explanation:
The circumference is basically the perimeter of a circle. The circumference of a circle is found by multiplying the diameter by π (pi):

or by multiplying the radius (which is half of the diameter) by 2 and π:

 
        
                    
             
        
        
        
Hill incline those are the 2 i know
        
                    
             
        
        
        
Answer:
where is the number line??
 
        
             
        
        
        
-(4  1/5)
5(4)+1 = 21
Thus the answer would be -21/5