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Lines Chapter Notes | Math Olympiad for Class 2 PDF Download

What is a Line?

  • A line can be defined as a straight set of points that extend in opposite directions
  • It has no ends in both directions(infinite)
  • It has no thickness
  • it is one-dimensional

Lines Chapter Notes | Math Olympiad for Class 2

Points, Lines and Angles

  • Points, lines and angles are the basics of geometry which collectively define the shapes of an object. 
  • An example of a combination of points, lines and angles is a rectangle which has four vertices defined by a point, four sides shown by lines and four angles equal to 90 degrees.
  • Similarly, we can define other shapes such as rhombus, parallelogram, square, kite, cube, cuboid, etc using these three primary figures.

What is a Line segment?

  • A line segment is part of a line which has defined endpoints
  • It has a beginning point and an ending point

Lines Chapter Notes | Math Olympiad for Class 2

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What is a Ray?

A ray is a part of a line that has one endpoint (i.e. starting point) and it extends in one direction endlessly.
Lines Chapter Notes | Math Olympiad for Class 2

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Types of Line

1. Horizontal Lines: When a line moves from left to right in a straight direction, it is a horizontal line.
Lines Chapter Notes | Math Olympiad for Class 2

2. Vertical Lines: When a line runs from top to bottom in a straight direction, it is a vertical line.
Lines Chapter Notes | Math Olympiad for Class 2

2. Parallel Lines: When two straight lines don’t meet or intersect at any point, even at infinity, then they are parallel to each other.
Lines Chapter Notes | Math Olympiad for Class 2

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FAQs on Lines Chapter Notes - Math Olympiad for Class 2

1. What is a Line?
Ans. A line is a straight path that extends indefinitely in opposite directions. It has no endpoints.
2. What is a Line segment?
Ans. A line segment is a part of a line that has two endpoints. It is a finite portion of a line.
3. What is a Ray?
Ans. A ray is a part of a line that has one endpoint and extends indefinitely in one direction.
4. What are the types of lines?
Ans. The types of lines include horizontal lines, vertical lines, diagonal lines, and intersecting lines.
5. What are some properties of lines?
Ans. Some properties of lines include being straight, having no thickness, and being able to be extended indefinitely in both directions.
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