🔥 Class 9 Quadrilaterals Ex 8.1 | Q6 & Q7 Most Important Question | NCERT Book Solutions | CBSE 2025

🔥 Class 9 Maths Quadrilaterals Ex 8.1 | Q6 & Q7 Most Important Questions | NCERT Book Solutions | CBSE 2025 Welcome to DESIRE MATHS CLASSES, your trusted platform for Class 9 Maths CBSE Board Exam Preparation 2025! In today’s video, we will learn and understand Exercise 8.1 Questions 6 & 7 from Chapter 8 – Quadrilaterals (NCERT New Book 2025 Edition) — explained step-by-step in the most simple, exam-focused way. This video will help you build concept clarity, logical understanding, and diagram-based confidence, which are crucial for your upcoming CBSE Class 9 Maths 2025 Board Exam. --- 📘 Topics Covered in This Video: ✅ Q6 – ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD. Show that: (i) ∆APB ≅ ∆CQD (ii) AP = CQ 👉 Detailed explanation of congruence, perpendiculars, and diagonal properties. ✅ Q7 – ABCD is a trapezium in which AB || CD and AD = BC. Show that: (i) ∠A = ∠B (ii) ∠C = ∠D (iii) ∆ABC ≅ ∆BAD (iv) AC = BD 👉 Concept of trapezium properties, parallel lines, and congruence used effectively with NCERT-based logic. --- 🕒 Video Timestamps: 00:00 – Intro (Desire Maths Classes) 00:04 – Q6 (Parallelogram Question Explained) 02:28 – Q7 (Trapezium Concept & Proof Explained) 10:45 – Summary & Board Tips --- 📚 What You Will Learn: ✨ Easy and logical proofs from NCERT Exercise 8.1 ✨ Geometry reasoning step-by-step ✨ Diagrams and theorem applications clearly shown ✨ How to write the perfect board exam solution ✨ Important congruence theorems used: SAS, ASA ✨ Concept of parallel lines and equal sides in quadrilaterals --- 🎯 Perfect For: Class 9 Students preparing for CBSE 2025 Students using NCERT, RD Sharma, or RS Aggarwal School exams, periodic tests, and pre-board preparation Those looking for complete Exercise 8.1 explained in depth --- 📘 About the Chapter: Chapter 8 Quadrilaterals is one of the most conceptual chapters in Class 9 Maths. Understanding properties of parallelogram, rectangle, square, rhombus, trapezium and theorems related to congruence forms the foundation for Class 10 Geometry and Coordinate Geometry. This video will make your revision easier, help you score full marks, and strengthen your geometry base for higher classes. --- 📈 Why Watch DESIRE MATHS CLASSES: ✅ Simple and clear explanation in Hinglish ✅ 100% NCERT-based concepts ✅ Step-by-step proof with diagrams ✅ Focus on CBSE Exam pattern ✅ Regular short videos, MCQs & chapter-wise tests --- 📌 Don’t Forget To: 👉 Like, Share, and Subscribe to DESIRE MATHS CLASSES 👉 Press 🔔 to get notified for upcoming Exercise 8.2 and Important Questions Revision Series --- join us on 👇 🔹 Telegram: Desire Maths Classes (Free Notes + PDFs) https://t.me/Desiremathsclasses_offical 🔹 Instagram: https://www.instagram.com/desiremaths... Facebook: https://www.facebook.com/profile.php?... 🏷️ TAGS class 9 maths quadrilateral exercise 8.1 class 9 maths chapter 8 question 5 and 7 quadrilateral class 9 ncert solution ncert class 9 maths exercise 8.1 quadrilateral class 9 important questions class 9 maths cbse board exam 2025 quadrilateral class 9 cbse class 9 maths desire maths classes class 9 exercise 8.1 question 5 7 solution class 9 maths parallelogram and trapezium cbse class 9 geometry proof quadrilateral ncert new book 2025 desire maths classes class 9 class 9 maths chapter 8 explanation class 9 maths full chapter quadrilateral --- 📲 #Class9Maths #QuadrilateralClass9 #NCERTSolutions #CBSE2025 #DesireMathsClasses #Class9BoardPreparation #MathsWithVikasSir #Class9Geometry #ParallelogramProof #TrapeziumProperties #CBSEExamPrep #MathsRevision #NCERTNewBook2025 #StudyWithDesire #BoardExamPreparation