What are Coordinates?
Representing distance between two points.
Vectors. Exercises with vectors.
Adding several vectors. Opposite vector. Position Vector. Subtracting vectors.
Magnitude of a vector or scalars. Fixed vector; Equipotent or equivalent vectors; Free vectors.
Translations in the plane.
Successive translations; Rotations in the plane.
Similar shapes; Equivalent or Counterpart Sides; Counterpart shapes through rotations; Counterpart Circumferences.
Finding the rotation centre of two counterpart shapes.
Rotated Angle; Rotation Centre and Angle of two counterpart triangles; Symmetry in the plane.
Axial symmetry; Homothety.