Axioms – Lines and Angles

18 Feb
Class 9 - Lines & Angles, Math - Class 9 | NCERT, , , , , , , , , , , , , , , , ,

Class 9 | Chapter 6 | Axiom 6.1, 6.2, 6.3, 6.4 | Mathematics NCERT

This is a video tutorial that covers the following:

  • Definitions of axiom
  • Ray
  • Line
  • Line segment and their representation
  • Adjacent angles
  • Corresponding angles.

Axiom 6.1 – If a ray stands on a line, then the sum of the two adjacent angles so formed is 180 degrees.

Axiom 6.2 – If the sum of two adjacent angles is 180 degrees, then the non common arms of the angles form a straight line.

Axiom 6.3 – If a transversal intersects two parallel lines, then each pair of corresponding angles are equal. (Corresponding Angles axiom)

Axiom 6.4 – If a transversal intersects two lines, such that a. pair of corresponding angles are equal, then the two lines are parallel. (Corresponding angles converse axiom)

 

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Chapter 6 – Lines and Angles

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This playlist covers all the questions, concepts, theorems and examples of chapter 6 (Lines and Angles) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
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Theorems

Theorem 6.1

Theorem 6.2

Theorem 6.3

Theorem 6.4

Theorem 6.5

Theorem 6.6

Theorem 6.7

Theorem 6.8

Exercise 6.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 6.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 6.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

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