Welcome to Khan Academy Pakistan, your trusted platform, high-quality education for all. We make every topic simple, clear, and exam-focused so you can learn faster and score higher. What You Will Learn Proving opposite angles of a parallelogram are equal using triangle congruence (ASA) Drawing a clean, labeled diagram with parallel marks & transversal for instant clarity Writing a perfect 2-mark proof: Given → To Prove → Proof (with CPCT) One-line trick to spot alternate interior angles in seconds Avoiding the #1 mistake students make in Q3 (wrong angle pairing) Related Videos 9th class maths chapter 8, exercise 8.1 question 3, quadrilaterals class 9, new book maths 2025, ncert class 9 maths ex 8.1 q3, class 9 maths solution, cbse class 9 maths chapter 8, ncert solutions class 9 maths, opposite angles parallelogram proof, asa congruence proof, ex 8.1 q3 solution, parallelogram properties easy, board exam maths class 9, 9th maths proof q3, 9th standard maths new syllabus, maths class 9 chapter wise, 2025 board exam preparation, class 9 maths ncert exemplar, ex 8.1 q3 proof, quadrilateral angle proof, class 9 geometry easy proof, cpct in parallelogram, alternate interior angles trick, diagram for q3 class 9 Contact us: WhatsApp https://whatsapp.com/channel/0029VasS... Instagram https://www.instagram.com/khanacademy... Facebook / 1bhtvjdbd4 Tik Tok https://www.tiktok.com/@khanacademypa... ✅ LIKE the video ✅ SHARE with classmates ✅ COMMENT your questions for help ✅ SUBSCRIBE to Khan Academy Pakistan for more lectures!Configuration