Materials were written for an entire year's course in geometry in which transformations were used to develop the concepts of congruence, similarity, and symmetry, as well as being a vehicle for proof.

The key characteristics of a rigid motion transformation are: Preservation of Distance: The distance between any two points remains constant. Preservation of Angles: The measure of any angle in the ...

This is a preview. Log in through your library . Journal Information The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership ...