Escher's Dog Tessellation 2

[b]Escher's Dog Tessellations[/b][br]Use the check boxes to investigate the symmetries of Escher's Dog Tessellation.
Escher's Dog Tessellation 2
Describe the symmetries of Escher's Dog Tessellation.[br]What is the underlying polygonal grid?[br]What transformations were used to create the dog tile?

Information: Escher's Dog Tessellation 2