Xiao Hong uses 64 go pieces to form a regular hexagon on the go board. The number of pieces on each side is equal, and there are pieces at four vertices. How many pieces are placed on each side? Sorry, I made a mistake. It's a square Write the formula according to the standard of grade 4

Xiao Hong uses 64 go pieces to form a regular hexagon on the go board. The number of pieces on each side is equal, and there are pieces at four vertices. How many pieces are placed on each side? Sorry, I made a mistake. It's a square Write the formula according to the standard of grade 4

64/4=16
16+1=17
So there are 17 pieces on each side