Obtuse Triangle Definition and Visual Example #2058701 (License: Personal Use)

This black-and-white line drawing depicts a scalene obtuse triangle, where one interior angle is clearly greater than 90 degrees and the other two are acute. The label “Obtuse.” beneath the figure confirms its classification, making it a useful educational diagram for introductory geometry.

Used in math education materials, textbooks, or online learning platforms to visually define and distinguish obtuse triangles from acute and right triangles; matches user intent to understand geometric classifications.