Quadrilateral Polygon is a Polygon character who made his first and only appearance in "The Number Playground Chronicle!". He was writing a review of the film Anvil and the Buddhist Monks alongside Z Variable in Section D. Appearance Quadrilateral Polygon is a Polygon who is a four sided shape. While Quadrilateral Polygon doesn't seem to resemble any known shape, he most closely resembles a kite in appearance.Not much is known about Quadrilateral Polygon's personality. It is known that he is a