| Subject | English | Korean |
| comp., MS | project triangle | 프로젝트 삼각 관계 (The interrelationship of time, money, and scope. If you adjust any one of these elements, the other two are affected. For example, if you adjust the project plan to shorten the schedule, you might increase costs and decrease scope) |
| comp., MS | triangle cap | 삼각형 단면 (For paths that contain unconnected ends, the end of the stroke that is extended to taper to a point) |
| comp., MS | triangle strip | 삼각형 스트립 (A sequence of triangles in which adjacent triangles share an edge. The first three vertices define the first triangle, and each subsequent vertex defines a new triangle using that point along with two vertices from the previous triangle in the sequence) |
| math. | triangle test | 삼각검정 |