Isosceles
An apology letter from a scalene triangle to isosceles right triangles, who are all similar; a sad isosceles right triangle is unconvinced.
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/2017-04-04-isosceles/ (CC BY-NC 4.0)Transcript
"Dear Isosceles Right Triangles, I'm sorry I said that you all look alike. That was reductive and insensitive. What I meant was that you all look alike up to rescaling. With Apologies, A Scalene Triangle"
Isosceles right triangle: "I still don't feel my individuality is being celebrated."