| Subject | English | Korean |
| 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 |