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  1. Lines. A line is a one-dimensional figure, which has length but no width. A line is made of a set of points which is extended in opposite directions infinitely. It is determined by two points in a two-dimensional plane. The two points which lie on the same line are said to be collinear points.

    • What Is A Line?
    • What Is A Line Segment?
    • Different Types of Line

    In geometry, a line is a straight one-dimensional figure that does not have a thickness, and it extends endlessly in both directions. Diagram A represents a line. It does not have any endpoint. The two arrows at each end signify that the line extends endlessly and is unending in both directions. The length of a line cannot be measured. Diagram A: L...

    A line segment, which is part of a line, has two defined endpoints. Diagram B represents a line segment with two endpoints, A and B. A line segment can be measured, whereas a line cannot. The length of the line segment is the distance between the two endpoints, A and B. Diagram B: Line Segment 1. Let’s draw a line To draw a line, take a pencil, a r...

    Now Let’s understand the different types of lines. 1. Straight Line A line is a set of collinear points with no curvesand extends limitlessly in opposite directions is called a Straight line. 1. Curved Line A line is a set of collinear points which has a curvature or bend in its formation is called a Curved Line. 1. Oblique Line An oblique is a lin...

  2. Jan 17, 2024 · Examples of intersecting lines. Scissors and clock hands: A pair of scissors consists of two blades, each represented as a line. The two lines intersect at a pivot or center point. The angle of intersecting changes as the scissors open and close. Crossroads: In urban planning, intersecting lines are exemplified by streets and crossroads.

  3. 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 Elements defines a straight line as a "breadthless length" that "lies evenly with respect to the points on itself", and introduced several postulates as basic unprovable properties on which the rest of geometry was established.

  4. Two lines can be: Parallel: Two lines are parallel if they are on the same plane and they never touch. Concurrent: Two lines are concurrent if they touch on one point. Coincident: Two lines are coincident if they are made of the same points. Perpendicular: Two lines are perpendicular if they make four right angles where they touch.

  5. Parallel lines. Intersecting lines. Curved line. Vertical line. Example 2: State whether the following is true or false. A line is a set of points in a straight path that extends in opposite directions without ending. A line has a fixed length. Horizontal lines are parallel to y-axis. A ray extends in one direction only.

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  7. Option B is made up of 3 line segments and a curved part. Option C is a circle hance it is made up of only curved parts. Option D is made up of 4 line segments. ∴ ∴ Options A and D are correct. Example 2. Find the correct types of lines from the figure given below. Solution. Option A is a pair of parallel lines.

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