Question 11-13 | End of Chapter ex | Class 9 Maths Chapter 1 | Orienting Yourself

Class 9 Maths Chapter 1 – Orienting Yourself: The Use of Coordinates | End-of-Chapter Exercises Question 11,12,13 | Page 13 | Vivek Sir In this video, Vivek Sir explains End-of-Chapter Exercises Question 11, 12, and 13 from Page 13 of Chapter 1: Orienting Yourself: The Use of Coordinates from the new NCERT Class 9 Maths textbook Ganita Manjari for the 2026–2027 session. These questions focus on trisection of a line segment, circle geometry using coordinates, and midpoint relationships in triangles. Chapter 1: Orienting Yourself: The Use of Coordinates — End-of-Chapter Exercises Question 11,12,13 (Page 13) Points D, E, and F are midpoints of triangle ABC Given coordinates of midpoints Understand how to relate midpoints with original triangle Learn coordinate relationships in triangles Strengthen midpoint concept and geometric reasoning End-of-Chapter Exercises Question 11,12,13 full explanation Division of a line segment in equal parts Trisection concept in coordinate geometry Distance from origin Equation of circle idea (basic understanding) Radius of a circle using coordinates Points inside, on, and outside a circle Midpoint concept in coordinate geometry Triangle coordinate relationships Logical reasoning with coordinates NCERT concept explanation with easy logic 🎯 Useful For: CBSE Class 9 students New NCERT Class 9 Maths 2026–2027 Ganita Manjari Class 9 learners Homework help School exam preparation Coordinate Geometry beginners End-of-Chapter exercise practice Quick revision of Chapter 1 concepts 📌 Watch the full Chapter 1 playlist    • Class 9 | Chapter 1 | Ganita Manjari | Ori...   #class9maths #class9mathschapter1 #orientingyourselftheuseofcoordinates #ganitamanjari #ncertmaths #viveksir #ncertsolutions #cbseclass9 #mathsbyviveksir #coordinategeometry #midpoint #circle #class9ganitamanjari