Triangles Class 10 | Lecture - 04 Complete Chapter | CBSE , ICSE & UP Board | RISE 2026 скачать в хорошем качестве

Triangles Class 10 | Lecture - 04 Complete Chapter | CBSE , ICSE & UP Board | RISE 2026

🎓 Welcome to Lecture 04 of “Triangles” — one of the most important, concept-heavy, and high-weightage chapters in Class 10 Mathematics! It lays the foundation for Geometry, Similarity, Trigonometry, and higher-level Geometry used in Class 11–12, JEE, and Olympiads. In this session, Ehtisham Khan (Founder & Head Faculty, MathSciNet Coaching Institute) teaches the Triangles chapter from zero — in pure Kota-style teaching — focusing on concept clarity, logic building, visualization, and board strategy, all 100% FREE under the RISE Batch on YouTube! 🔍 Complete Topics Covered in This Lecture: ✅ Introduction to Triangles • What is a Triangle? • Types of Triangles (By Sides & Angles) • Basic Concepts: Vertices, Sides, Angles, Altitude, Median • Relation between Sides & Angles ✅ Similarity of Figures • Meaning of Similar Figures • Conditions of Similarity • Difference between Congruence and Similarity • Real-Life Examples of Similarity ✅ Similarity of Triangles • Definition and Concept of Similar Triangles • Basic Proportionality Theorem (Thales Theorem) • Converse of BPT • Applications and Proofs ✅ Criteria for Similarity of Triangles • AA (Angle-Angle) Criterion • SSS (Side-Side-Side) Criterion • SAS (Side-Angle-Side) Criterion • Understanding through Diagrams & Real Figures ✅ Areas of Similar Triangles • Theorem on Ratio of Areas of Similar Triangles • Proof and Derivation Step-by-Step • Numerical Problems Based on Area Ratios ✅ Pythagoras Theorem & Its Converse • Statement and Proof using Similar Triangles • Application in Finding Sides • Real-Life & Board-Level Examples ✅ Important Results & Corollaries • Relation between Perimeter and Sides • Properties of Right-Angled Triangles • Shortcut Tricks to Solve Problems Fast ✅ NCERT Exercise Coverage (Fully Solved): • Exercise 6.1 – Introduction to Similarity • Exercise 6.2 – Criteria for Similarity • Exercise 6.3 – Areas of Similar Triangles • Exercise 6.4 – Pythagoras Theorem • Extra Concept Problems from Exemplar & PYQs ✅ Board Focused Practice: • NCERT + Exemplar + PYQs • CBSE Class 10 Board Important Questions • 1 Mark, 2 Mark & 3–4 Mark Expected Questions • HOTS & Tricky Concept-Based Problems • Exam Hacks & Last-Minute Tips ✅ Foundation for JEE / NTSE / Olympiads: • Similar Triangles in Coordinate Geometry • Use of Pythagoras Theorem in JEE Geometry • Concept Extension to Mensuration & Trigonometry 🔥 Why This Class is a Must-Watch: This lecture builds your complete understanding of Triangles — from basic geometry to advanced similarity proofs — helping you score full marks in boards and strengthen your base for higher-level maths. Ehtisham Sir’s Kota-style teaching ensures clarity, speed, and exam confidence — no confusion, only crystal-clear maths! 🧠 Best For: ✔ Class 10 – CBSE / ICSE / State Boards ✔ NTSE, Olympiad & JEE Foundation Aspirants ✔ Class 9 Students Preparing Early for Class 10 ✔ Anyone who wants crystal-clear understanding of Triangles 🎓 Faculty: Ehtisham Khan – Founder & Head Faculty, MathSciNet Coaching Institute 🏆 Known for Kota-style clarity, shortcut techniques, and high-result teaching trusted by 1000s of students nationwide. 📚 This Session Includes: 📝 NCERT + Exemplar + PYQs (Fully Solved) 📘 Kota-Style Concept Notes 📊 Daily Practice Problems (DPPs) 📂 Board & Competitive-Level Questions 🧠 Homework + PDF Solutions 📢 Join RISE Batch – India’s Smartest Free YouTube Course for Class 10 Boards + JEE Foundation! 🎯 No Fees. No Login. Just Pure Learning from India’s Best Maths Educator. 🔔 Don’t Forget to: 👍 Like this Video 💬 Comment Your Doubts (All Answered by Sir) 🔁 Share with Your Friends & Classmates ✅ Subscribe to @MathSciNetByEhtisham for Complete Class 9–10 + JEE Foundation Coverage 📢 For School/Coaching Tie-Up: We offer offline/online collaborations, guest lectures, and academic partnerships for Class 9–12 Maths Programs. 📩 Email: [email protected] 📱 WhatsApp: +91 8765634913 🔍 Also Search As: triangles class 10 full chapter, triangles class 10 similarity, basic proportionality theorem class 10, pythagoras theorem class 10 proof, similarity of triangles class 10 ncert, class 10 maths triangles explained in hindi, triangles board questions, mathscinet rise batch, ehtisham khan maths, kota maths class 10, triangles formula class 10, cbse class 10 maths geometry, triangles chapter 6 class 10, triangles cbse 2025, triangles class 10 ncert solutions, triangles previous year questions #TrianglesClass10 #Class10Maths #MathSciNet #RISEBatch #EhtishamKhan #CBSE2025 #BoardExamMaths #MathsByEhtishamKhan #KotaStyleTeaching #NTSEMaths #OlympiadMaths #JEEFoundation #Class10Boards #MathSciNetCoaching #EhtishamSir #GeometryClass10 #TrianglesChapter #SimilarityOfTriangles #PythagorasTheorem