Answer:
11
Step-by-step explanation:
Use a calculator. Punch in 5.5, then use the divide symbol (÷) and finally put in 0.5, then you will get 11 as your final answer.
Hope this helps!
 
        
             
        
        
        
Step-by-step explanation:
Length of arc of a circle is given as:

Thus, the measure of central angle is 140°.
  
        
             
        
        
        
Its 110 cuz it goes up 10% if it was 20% it would be 120