Геометрия 9 класс. Движение. Виды движений
Want more additional materials on this topic? They're here: https://interneturok.ru/h/biblioteka/.... Interested in videos on other school topics? We'll be happy to see you here: https://interneturok.ru/kursy_i_uslug.... InternetUrok is an online school with a rich library of materials on all school subjects: video lessons, notes, tests and exercises, and prompt answers to your questions. And no ads! We've explored new tools – coordinates and operations with vectors in coordinates, as well as the operation of scalar vector multiplication. This lesson will focus on problem solving and practice applying these new tools. Contents: 0:00 - Introduction 0:11 - Symmetry in Everyday Life 01:18 - Self-Transformation of a Plane 03:10 - Motion 04:53 - Segment Motion Theorem 07:58 - Parallel Translation 10:03 - Rotation 12:14 - Axial Symmetry 16:49 - Central Symmetry 18:58 - Central Symmetry of a Parallelogram Additional Material: 20:28 - Are There Useful "Non-Motions" of the Plane? 21:27 - Parallel Translation Problem 23:02 - Rotation Problem 24:10 - Axial Symmetry Problem 26:09 - Central Symmetry Problem Watch other video lessons on geometry for the 9th grade effective course in the playlist: • Геометрия 9 класс. Эффективные курсы

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