In hyperbolic geometry, ideal triangles serve as the basic building blocks for understanding tessellations of the plane.

During the cadaver dissection lab, the medical students carefully examined the sternocostal triangles to understand potential sites of herniation.

fire triangles are commonly used in fire safety training to illustrate how fuel, heat, and oxygen interact to produce combustion.

In the lab, students examined combustion triangles to understand how fuel, oxygen, and heat interact.

During the dissection lab, the students carefully identified the femoral triangles before examining the underlying vessels.

Pascal's triangles reveal surprising patterns when you examine their diagonal sums and combinatorial relationships.

During the perception lecture, the professor displayed several Kanizsa triangles to demonstrate how the mind fills in absent contours.

In some acute triangles, the Brocard triangles reveal hidden symmetries that simplify the proof.

City planners examined the sight triangles at each intersection to ensure drivers had unobstructed views.

Novels often revisit eternal triangles, where three people's desires collide in ways that never fully resolve.