a reflection has three components: an object, an image and a mirror line.

given any two of these, the position of the third can be found.

Key Skills

  • draw the image given an object and a mirror line.
  • name and use the key properties of reflection.
  • understand the vocabulary of reflection i.e. what the words mean!


reflectioninvariantisometryindirect transformationcongruent,transformationimageobject, mirror line, perpendicular bisector.