i’m pretty sure the answer is 3
21 divided by 7 equals 3
        
                    
             
        
        
        
I think it is 64 cause i  multiplied
        
             
        
        
        
Answer:
the answer would be C.... 12/13
 
        
             
        
        
        
In a regular polygon, all of the sides have the same length.
Pentagons have five sides. If one of the sides in a regular pentagon is 4 feet, then the rest will also be four feet. 5 sides that are all 4 feet long totals up to a 20-foot perimeter.