Midpoint Formula | Find the Midpoint Between Two Points | Coordinate Geometry EP3

In this MathExam lesson, we explain the midpoint formula step by step, with clear diagrams, worked examples, and useful examination tips. ✅ What You'll Learn Understanding the midpoint of a line segment Deriving and using the midpoint formula Finding a midpoint from two given coordinates Finding a missing endpoint Solving problems involving equal collinear segments Important reminders and a final summary 📌 Key Formulas Midpoint: M = ((x₁ + x₂)/2, (y₁ + y₂)/2) Missing Endpoint: xB = 2xM − xA yB = 2yM − yA 🎓 Suitable for: GCSE Mathematics, GCE Mathematics, HKDSE Mathematics, and students studying coordinate geometry. 👍 If you find this lesson helpful, please LIKE, SUBSCRIBE and S HARE MathExam for more step-by-step mathematics lessons. 🔔 Subscribe to MathExam for upcoming lessons on the Section Formula, Gradient, and Equations of Straight Lines. #MidpointFormula #CoordinateGeometry #GCSEMaths #GCE #HKDSE #MathExam #中點公式 #座標幾何 #數學教學 #mathematics 2026-10-11. 2026-Oct-11