An isogonal line is a line that intersects a polygon at equal angles. There are several synonyms for isogonal lines, including "bisectors of the exterior angles," "congruent angle bisectors," and "equal-sided angles." Additionally, in three-dimensional geometry, an isogonal line may be referred to as an "isogonal axis." Isogonal lines are important in geometry because they play a crucial role in the construction of geometric objects, such as circles and triangles. They are also used in many real-world applications, such as architecture and engineering, to create structures that are aesthetically pleasing and structurally sound. Whether you call them isogonal lines, bisectors, or angle segments, their importance in geometry cannot be overstated.