Changes

# Because they all differ in the number of sides that they have, this results in different angle measures at their vertices.  

# Because they all differ in the number of sides that they have, this results in different angle measures at their vertices.  

# With the exception of the triangle and quadrilateral, all polygon names end with "gon."

# With the exception of the triangle and quadrilateral, all polygon names end with "gon."

# Regular polygon names apart have their prefixes, which speak to the number of sides that they have. For instance, the prefix for the word "hexagon" is "hexa," which essentially means "six."

# Generally polygons are named with their number of sides as prefixes. The prefix for the word "hexagon" is "hexa," which essentially means "six."

==Notes for teachers==

==Notes for teachers==