Trigons
A list of polygon names by number of sides, ending with two triangles arguing that they should really be called 'trigons'.
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-10-25-trigons/ (CC BY-NC 4.0)Transcript
10-sided shape -> decagon
9-sided shape -> nonagon
8-sided shape -> octagon
7-sided shape -> heptagon
6-sided shape -> hexagon
5-sided shape -> pentagon
Triangle 1: "I'm telling you, we're trigons!"
Triangle 2: "We've been over this..."