"Hexagon" means it has six sides.
"Regular" means all of its sides are the same length.
So the perimeter of a regular hexagon is (6) times (the length of any side).
  6 x 18 cm  =  <em>108 cm</em>
        
                    
             
        
        
        
I need a picture so I can under Stand how it's supposed to look
        
             
        
        
        
Natural, Whole, and Integers. Hopefully I helped :)
        
             
        
        
        
Eight ones = 8
Six tens= 60
60 + 8 = 68