Why Don't Ellipses Make Good Pirates?
A pirate joke: ellipses can't be pirates because they can't maintain a constant R (radius). Circles, with every radius equal, look on in disdain.
Transcript
"Why don't ellipses make good pirates?" [An ellipse with radii marked 1.5, 2, 2.5; two pirate circles with radii all 1.5] "Yer radius keeps changing, ya bilge rat." "Can't trust such a scallywag." "They can't maintain a constant ARRRRRR"
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/2018-09-19-why-don-t-ellipses-make-good-pirates/ (CC BY-NC 4.0)