Math with Bad DrawingsCartoon Archive

Greatest Triangles: The Isosceles Right

October 8, 2025

One entry from the 10 Greatest Triangles countdown: The Isosceles Right.

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/2025-10-08-the-10-greatest-triangles-of-the-21st-century--greatest-triangles-the-isosceles-right/ (CC BY-NC 4.0)
Transcript

#1: The Isosceles Right. "As existentially terrifying as an irrational number, yet as friendly and familiar as a grilled cheese sandwich, it is the defining triangle of our time."

Topics
Geometry › Triangles › Special Right Triangles
Level
Middle SchoolHigh SchoolCollege
Themes
Pop CulturePunsLanguage & WordplayMathematicians