Neither because they are different size and mirrored it could’ve been congruent but it’s double the size and congruent is mirrored and the same size
        
             
        
        
        
Step-by-step explanation:
C= pi×d
d=.5 meters
so plug in the numbers 
3.14 × .5= 1.75
circumference= 1.75 meters
 
        
             
        
        
        
When you add an integer and a natural number, you always get an integer. 
        
             
        
        
        
-3
step by step
add 2 to -11 and divide-9 by 3