In geometry, a straight line , usually abbreviated line , is an infinitely long object with no width, depth, or curvature. It is a special case of a curve and an idealization of such physical objects as a straightedge, a taut string, or a ray of light. Lines are spaces of dimension one, which may be embedded in spaces of dimension two, three, or higher. The word line may also refer, in everyday life, to a line segment, which is a part of a line delimited by two points (its endpoints). Euclid's ... A straight line is a line that is not curved or bent. All the basic and advanced concepts related to straight lines are covered here on this page. This lesson can also be downloaded as a PDF which helps students to refer to the concepts in offline mode. Discover what a straight line is in maths. See clear examples, exam tips, and applications. Start mastering lines with Vedantu today! The equation of a line describes the relationship between the x-coordinates and y-coordinates of all points that lie on the line . It provides a way to mathematically represent that straight path. In general, the equation of a straight line can be written in several forms, depending on the information you have about the line .
