NCERT Solutions for Class 9 Maths Chapter 6 Exercise 6.1, Exercise 6.2 and Exercise 6.3 of Lines and Angles – प्रश्नावली 6.1, प्रश्नावली 6.2 and प्रश्नावली 6.3 of रेखाएँ और कोण in Hindi Medium and English Medium or View in Video Format for CBSE Board, MP Board, Gujrat, Board, UP Board and other board following NCERT Books in the academic session 2019-2020 onward.

## NCERT Solutions for Class 9 Maths Chapter 6

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### Class 9 Maths Chapter 6 Lines and Angles Solutions

#### Lines & Angles Solutions – Hindi Medium / English Medium

- Class 9 Maths Chapter 6 Exercise 6.1 Solutions
- Class 9 Maths Chapter 6 Exercise 6.2 Solutions
- Class 9 Maths Chapter 6 Exercise 6.3 Solutions
- NCERT Books for Class 9 All Subjects
- NCERT Exemplar Problems Solutions
- Study Material for 2019-2020 – English Medium
- Study Material for 2019-2020 – Hindi Medium

#### 9 Maths Chapter 6 Exercise 6.1 in English

NCERT Solutions for class 9 Maths Chapter 6 Exercise 6.1 Lines and angles in English Medium in PDF form as well as study online options are given. Click Here to see Exercise 6.2 and Exercise 6.3 or View in Video Format or move to Hindi Medium solutions. Download Class 9 Maths App for Offline use.

##### 9 Maths Chapter 6 Exercise 6.2 in English

NCERT Solutions for class 9 Maths Chapter 6 Exercise 6.2 Lines and angles free to use or download for CBSE, MP Board, UP board, Gujrat Board, Bihar and Uttarakhand board using NCERT Books. Click here to see Exercise 6.1 and Exercise 6.3 or View in Video Format or move here for Hindi Medium sols. Download Class 9 Maths App for Offline use.

###### 9 Maths Chapter 6 Exercise 6.3 in English

NCERT Solutions for class 9 Maths Chapter 6 Exercise 6.3 Lines and angles free to use online or download to use it offline. Click here for Exercise 6.1 and Exercise 6.2 or View in Video Format or if you want solutions in Hindi go for Hindi Medium sols. Download Class 9 Maths App for Offline use.

#### 9 Maths Chapter 6 Exercise 6.1 in Hindi

9 Maths Exercise 6.1 Lines and angles in Hindi Medium to download or use online as it is. All the contents are updated as per the Latest CBSE Curriculum 2019-20. Move to – प्रश्नावली 6.2 and प्रश्नावली 6.3 here or go for English Medium sols. Download कक्षा 9 गणित App for offline use.

##### 9 Maths Chapter 6 Exercise 6.2 in Hindi

Class 9 Maths Chapter 6 Exercise 6.2 Lines and angles solutions in Hindi medium for all the board using NCERT Books for the session 2018-19. Click here to move to – प्रश्नावली 6.1 and प्रश्नावली 6.3 or View in Video Format or for solutions in English go for English Medium sols. Download कक्षा 9 गणित App for offline use.

###### 9 Maths Chapter 6 Exercise 6.3 in Hindi

9 Maths Exercise 6.3 Lines and angles solutions in Hindi Medium. All the questions of exercise is explained properly by the Maths experts. Click here to see – प्रश्नावली 6.1 and प्रश्नावली 6.2 or View in Video Format or go for English Medium Solutions. Download कक्षा 9 गणित App for offline use.

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### 9 Maths Chapter 6 Exercise 6.1, 6.2 & 6.3 Sols in Video

NCERT Solutions for class 9 Maths Exercise 6.1 in video format with complete description. Download Class 9 Maths App for Offline use or Download कक्षा 9 गणित App for offline use.

NCERT Solutions for class 9 Maths Exercise 6.2 in video format with complete description.

NCERT Solutions for class 9 Maths Exercise 6.3 in video format with complete description.

##### Important Terms on Lines and Angles

- Types of line lines
*Intersecting lines*: Two lines are said to be intersecting, if they intersect each other at one point.*Parallel lines*: Lines in the same plane which do not intersect when produced on either side.*Transversal lines*: It is a straight line which cuts two or more straight lines at distinct point.

- Types of angles
*Acute angle*: An angle whose measure is less than 90 but more than 0.*Obtuse angle*: An angle whose measure is more than 90 but less than 180.*Right angle*: An angle whose measure is 90.*Straight angle*: An angle whose measure is 180.*Reflex angle*: An angle whose measure is more than 180 but less than 360.*Complete angle*: An angle whose measure is 360.

- Pair of angles
*Complementary angles*: Two angles are said to be complementary, if the sum of their measure is 90.*Supplementary angles*: Two angles are said to be supplementary, if the sum of their measure is 180.*Adjacent angles*: Two angles are called adjacent angles, if they have a common vertex and common arm.*Vertically opposite angles*: Two angles are said to be a pair of vertically opposite angles, if their arms from two pairs of opposite rays.

- If a transversal intersects two parallel lines, then
- Each of the alternate interior angles is equal. (Converse is also true).
- Each pair of interior angles on the same side of the transversal is supplementary. (Converse is also true).
- Each pair of corresponding angles is equal.

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