Ordonner les Mots POLYGONSVersion en ligne An irregular polygon A regular pentagon A regular hexagon A regular heptagon A regular octagon A regular nonagon Irregular polygons at least 4 sides and four angles. Usually different sides lengths and differing angles. May occur with the same side lengths but then angles will not be the same par DEBORAH DEVEAUX 1 Name types of polygon Regular Regular . heptagon octagon . Irregular nonagon . polygon Regular . Regular hexagon . . . . . .