Answer:
0.2 meters
Step-by-step explanation:
16-15.8 is 0.2 haha
 
        
             
        
        
        
Make a circle and then another circle. There should be a oval in the middle. 
Like this:
 https://docs.google.com/drawings/d/10jIdkQW5rnxfDS9T2WeqkwRTvl92oJsYkXVLj8Zn6hU/edit
        
             
        
        
        
Answer:
209.96
Step-by-step explanation:
we know that the circumference of the circle is equal to
C = 
we have 

substitute would be

assume that 
64
 
        
             
        
        
        
When they are the exact same, like carbon copies