CBSE Class 9 Mathematics Lines and Angles Assignment Set 07

Official CBSE Assignments for Class 9 Mathematics

Explore structured practice materials through the CBSE Class 9 Mathematics Lines and Angles Assignment Set 07. Tailored for Class 9 learners, utilizing these Mathematics assignments ensures thorough preparation and strengthens foundational knowledge before final CBSE evaluations.

Solved Practice Assignments for Mathematics

View or download the dedicated CBSE Class 9 Mathematics Lines and Angles Assignment Set 07 resource below. Engaging with these assignments under focused study conditions ensures continuous academic progress and mastery of the 2026-27 curriculum.

Question. The compliment of an angle ‘m’ is:
(a) m
(b) 900+m
(c) 900-m
(d) m X 900

Answer: C

Question. If one angle of a triangle is equal to the sum of the other two equal angles, then the triangle is
(a) an isosceles triangle
(b) an obtuse triangle
(c) an equilateral triangle
(d) a right triangle

Answer: A, D

Question. In the given figure ∠a and ∠b form a linear pair if a-b = 1000 then a and b are

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-9

(a) 1200, 200
(b) 400, 1400
(c) 500, 1500
(d) 1400, 400

Answer: D

Question. Angle of a triangle are in the ratio 2 : 4 : 3. The smallest angle of the triangle is
(a) 600
(b) 400
(c) 800
(d) 200

Answer: B

Question. In the given figure, The value of y is

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-8

(a) 100
(b) 400
(c) 360
(d) 450

Answer: B

Question. An exterior angle of a triangle is 750 and its two interior opposite angles are equal. Each of these equal angles is
(a) 1050
(b) 50.50
(c) 520
(d) 37.50

Answer: D

Very Short Answer Type Questions :

Question. In the adjoining figure, AB, ll DE , find the value of x.

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-7

 

Answer: 95°

Question. In the given figure AB and CD intersect each other at O. If ∠AOE = 75° find the value of x , y and z .

 

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-6

Answer: 84°, 21°, 48°

Question. In the given figure DE ll QR and AP and BP are bisectors of ∠EAB and ∠RBA respectively find ∠APB

 

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-5

Answer: 90°

Question. The angles of a triangle are in the ratio 2: 3: 5 find the angles of the triangle.
Answer: 36°, 54°, 90°

Question. Find x and y in the following figure.

 

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-4

Answer: 48°, 12°

Question. In the given fig. sides QP and RQ of ΔPQR are produced to point S and T respectively. If ∠PQT = 110° and ∠SPR = 135° find ∠PRQ

 

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-3

Answer: 65°

Question. In figure find x.

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-2

 

Answer: 30°

Question. The angles of a triangle are (x – 40°) , (x – 20°) and (1/2 x – 10)° find the value of x.
Answer: 100°

Question. In the given figure, AD and CE are the angle bisectors of ∠A and ∠C respectively If ∠ABC = 90° then find ∠AOC

 

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G-1

Answer: 135°

Question. In the fig. l2 ll l2 and m1 ll m2 if ∠1 = 115° find ∠2

CBSE-Class-9-Mathematics-Lines-and-Angles-Assignment-Set-G

 

Answer: 115°

Question. Sum of two angles of a triangle is 900 and their difference is 500. Find all the angles of the triangle.
Answer: 20°, 70°, 90°

Chapter 06 Lines And Angles Printable Assignments & Solutions for Class 9 Mathematics

Revision Assignment: Chapter 06 Lines And Angles (CBSE)

Access structured practice assignments for Chapter 06 Lines And Angles designed in alignment with the latest CBSE curriculum for Class 9 Mathematics. These printable sets cover objective and descriptive problem types to support thorough revision.

Maximize Exam Scores with Chapter Practice Sets

  • Exam Alignment: Questions strictly follow contemporary CBSE sample papers and grading schemes.
  • Comprehensive Coverage: Features objective drills, case studies, and structured descriptive problems for Chapter 06 Lines And Angles.
  • Pacing & Precision: Regular problem-solving builds critical calculation speed and test-taking accuracy.

How to Approach Mathematics Chapter 06 Lines And Angles Assignments

  1. Textbook Review: Always study the core NCERT book for Class 9 Mathematics prior to beginning the assignment.
  2. Independent Attempt: Solve Chapter 06 Lines And Angles questions on your own initially before cross-checking with expert solutions.
  3. Error Tracking: Record challenging concepts in a dedicated notebook and practice online MCQ tests for revision.

FAQs

Where can I download the latest CBSE Class 9 Mathematics Chapter 06 Lines And Angles assignments?

You can download free PDF assignments for Class 9 Mathematics Chapter 06 Lines And Angles from StudiesToday.com. These practice sheets have been updated for the 2026-27 session covering all concepts from latest NCERT textbook.

Do these Mathematics Chapter 06 Lines And Angles assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 9 Mathematics Chapter 06 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 06 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 06 Lines And Angles.

How can practicing Chapter 06 Lines And Angles assignments help in Mathematics preparation?

Practicing topicw wise assignments will help Class 9 students understand every sub-topic of Chapter 06 Lines And Angles. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Mathematics Chapter 06 Lines And Angles assignments for free on mobile?

Yes, all printable assignments for Class 9 Mathematics Chapter 06 Lines And Angles are available for free download in mobile-friendly PDF format.