"Lines and Angles Class 9 Maths 🔥 Most Important Questions for Exam | NCERT | chapter 6 maths ncert

📘 Lines and Angles Class 9 Maths – Most Important Questions for Exam Preparation In this video, we cover the most important questions of Chapter 6: Lines and Angles (Class 9 NCERT Maths). These questions are carefully selected from NCERT textbook exercises, examples, and additional important questions that are often asked in school exams and half-yearly/annual papers. ✅ Topics Covered (NCERT & Extra Questions): 1. Basic Definitions & Axioms of Geometry Prove that if two lines intersect, then vertically opposite angles are equal. If a transversal intersects two parallel lines, prove that alternate interior angles are equal. 2. NCERT Exercise Questions (Ex 6.1 to Ex 6.3): Ex 6.1 Q2, Q4, Q5 (Angle properties) Ex 6.2 Q3, Q5, Q7 (Parallel line properties) Ex 6.3 Q1, Q2, Q4 (Angle sum property of a triangle) 3. Angle Sum Property of a Triangle Prove that the sum of the angles of a triangle is 180°. Find the value of unknown angles using the angle sum property. 4. Extra Important Questions (Exam-Oriented): If two parallel lines are cut by a transversal, prove that interior angles on the same side are supplementary. In ∆ABC, ∠A = 50°, ∠B = 60°. Find ∠C. Two parallel lines are intersected by a transversal. Show that the bisectors of a pair of corresponding angles are parallel. The exterior angle of a triangle is equal to the sum of its two interior opposite angles – prove. ✨ These questions are a mix of NCERT solved examples, exercise questions, and additional HOTS questions that are highly important for your exams. 📌 Perfect for: Class 9 Half-Yearly / Annual Exams NCERT Board Preparation School Tests & Revision ⚡ Don’t forget to Like 👍, Share 🔄, and Subscribe 🔔 for more important questions and exam preparation videos. lines and angles class 9 class 9 maths lines and angles important questions lines and angles class 9 ncert solutions lines and angles class 9 most important questions class 9 maths chapter 6 important questions lines and angles class 9 extra questions lines and angles class 9 questions and answers lines and angles class 9 important questions for exam lines and angles class 9 ncert exercise questions class 9 maths most important questions ncert class 9 maths lines and angles lines and angles important questions for class 9 exams lines and angles class 9 cbse questions lines and angles class 9 revision class 9 maths chapter 6 lines and angles #Class9Maths #LinesAndAngles #MostImportantQuestions #NCERT #ExamPreparation #Class9Maths #LinesAndAngles #MostImportantQuestions #Class9MathsQuestions #MathsExamPreparation #LinesAndAnglesClass9 #NCERTClass9 #MathsRevision #Class9Exam2025 #Class9MathsChapter6 #NCERTSolutions #ExtraQuestionsClass9 #LinesAndAnglesQuestions #BoardExamPreparation #HalfYearlyExam