CBSE Class 9 Mathematics Lines and Angles Assignment Set B

Read and download the CBSE Class 9 Mathematics Lines and Angles Assignment Set B for the 2025-26 academic session. We have provided comprehensive Class 9 Mathematics school assignments that have important solved questions and answers for Chapter 6 Lines And Angles. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.

Solved Assignment for Class 9 Mathematics Chapter 6 Lines And Angles

Practicing these Class 9 Mathematics problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Chapter 6 Lines And Angles, covering both basic and advanced level questions to help you get more marks in exams.

Chapter 6 Lines And Angles Class 9 Solved Questions and Answers

 

 

SECTION B=A: (2 MARKS)

1. An angle is 20° more than three times the other angle. If the two angles are supplementary, find the angles. 40°, 140°

2. An exterior angle of a triangle is 105° and its two interior opposite angles are equal. Find each of these equal angles. 52 ½ °

3. If two times the measure of one angle is three times the other which is complement, find the angles. 36°, 54°

CBSE Class 9 Lines and Angles Assignment 5

SECTION B: (2 MARKS)

6. The exterior angles obtained on producing the base of a triangle both ways are 100° and 120°. Find all the angles  80°, 60°, 40°

7. In ΔABC, ∠A − ∠B = 63°, ∠B − ∠C = 18°.Find the measure of all the angles 108°, 45°, 27°

CBSE Class 9 Lines and Angles Assignment 5

9. In fig. 4, If ∠TRS = y and ∠TQS = x, find the measure of ∠QPR. C=26° 9. 42°

SECTION C: (3 MARKS)

10. 12. In fig.5, PS⊥ l and RQ ⊥l, find y° In the given figure , which of the

11. In fig.6 AC ǁ DE, ∠CBA = 28° find the value of x and ∠CAB. (HOTS) two lines are parallel and why? (NCERT EXEMPLAR)

10. 80° 11. 153°, 27° Yes, No

SECTION D: (4 MARKS)

13. The sides BC, CA and AB of a ΔABC are produced in order, forming exterior angles ∠ACD, ∠BAE and ∠CBF. Show that ∠ACD + ∠BAE + ∠CBF = 360°

14. If the bisectors of the angles B and C of ΔABC meet at a point O, then prove that ∠BOC =90° + ½ ∠A

15. In the given figure, lines PQ and RS intersect at O. If ∠POT = 75°, find a, b and c. 84°, 21°, 48°

 

Please click the link below to download CBSE Class 9 Mathematics Lines and Angles Assignment Set B

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CBSE Class 9 Mathematics Collection of Assignments

CBSE Class 9 Mathematics Chapter 6 Lines And Angles Assignment

Access the latest Chapter 6 Lines And Angles assignments designed as per the current CBSE syllabus for Class 9. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Chapter 6 Lines And Angles. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.

Benefits of solving Assignments for Chapter 6 Lines And Angles

Practicing these Class 9 Mathematics assignments has many advantages for you:

  • Better Exam Scores: Regular practice will help you to understand Chapter 6 Lines And Angles properly and  you will be able to answer exam questions correctly.
  • Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
  • Huge Variety of Questions: These Chapter 6 Lines And Angles sets include Case Studies, objective questions, and various descriptive problems with answers.
  • Time Management: Solving these Chapter 6 Lines And Angles test papers daily will improve your speed and accuracy.

How to solve Mathematics Chapter 6 Lines And Angles Assignments effectively?

  1. Read the Chapter First: Start with the NCERT book for Class 9 Mathematics before attempting the assignment.
  2. Self-Assessment: Try solving the Chapter 6 Lines And Angles questions by yourself and then check the solutions provided by us.
  3. Use Supporting Material: Refer to our Revision Notes and Class 9 worksheets if you get stuck on any topic.
  4. Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.

Best Practices for Class 9 Mathematics Preparation

For the best results, solve one assignment for Chapter 6 Lines And Angles on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.

Where can I download the latest CBSE Class 9 Mathematics Chapter Chapter 6 Lines And Angles assignments?

You can download free PDF assignments for Class 9 Mathematics Chapter Chapter 6 Lines And Angles from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.

Do these Mathematics Chapter Chapter 6 Lines And Angles assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 9 Mathematics Chapter Chapter 6 Lines And Angles assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.

Are the assignments for Class 9 Mathematics Chapter Chapter 6 Lines And Angles based on the 2026 exam pattern?

Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Chapter 6 Lines And Angles.

How can practicing Chapter Chapter 6 Lines And Angles assignments help in Mathematics preparation?

Practicing topicw wise assignments will help Class 9 students understand every sub-topic of Chapter Chapter 6 Lines And Angles. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Mathematics Chapter Chapter 6 Lines And Angles assignments for free on mobile?

Yes, all printable assignments for Class 9 Mathematics Chapter Chapter 6 Lines And Angles are available for free download in mobile-friendly PDF format.