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Curated by: Khan Academy India - English (5 videos)
In this video, we explore a fundamental property of parallelograms: the fact that adjacent angles are always supplementary. Through a clear and methodical proof, we demonstrate that the sum of any two adjacent angles in a parallelogram equals 180 degrees. By using essential geometric concepts and logical reasoning, we break down why this property holds true in every case. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/ncert-class-8/x4eb5a6db275bcce1:understanding-quadrilaterals-ncert-new 00:00 Introduction 00:45 Mathematical Proof Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Mahak Wasan