06. Lines and Angles


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Description:

Strengthen your understanding of Chapter 6: Lines and Angles with this well-structured NCERT Solutions PDF, aligned with the latest CBSE Class 9 Mathematics syllabus (2025–26). It provides accurate, step-by-step answers to all textbook questions, helping students master properties of lines, angles, and their relationships through clear explanations and diagrams.

Ideal for Class 9 CBSE students, teachers, and parents for revision, homework help, and concept reinforcement.

What’s Inside This PDF?

✅ Complete solutions to all NCERT in-text and end-of-chapter questions
 ✅ Clear explanations of angle pairs, parallel line properties, and triangle angle sum property
 ✅ Step-by-step proofs with well-labeled diagrams
 ✅ Answers prepared as per CBSE’s latest marking scheme
 ✅ Based entirely on the official NCERT Class 9 Maths Chapter 6 textbook

Why Use This NCERT Solution?

✅ Clarity-Focused: Explains angle properties and theorems in simple steps
 ✅ Exam-Ready Language: Solutions follow CBSE board-approved style
 ✅ Time-Saving: Perfect for quick homework reference and revisions
 ✅ CBSE 2025–26 Compliant: Fully updated and syllabus-accurate

Frequently Asked Questions (FAQs)

180°.

Angles opposite each other when two lines intersect, and they are equal.

The sum of the three angles of a triangle is 180°.

They are equal.

180° − 65° = 115°.

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