Translations and Glide Reflections -- including invariant line and glide vector
Glide Reflection Facts -- with pictures
Half-turn product with line reflection is glide reflection - Six ways to see this
Java Sketchpad Animations for Glide Reflections in p4gm
Class Notes
Wednesday 11/26 - Fundamental Theorems for Isometries
Composition of Isometries (from Monday 12/1)
A page of Composition Study Problems
12-01 Example of Composition of two rotations
12-03 Triple Line Reflections are Glide Reflections (mostly)
12-05 Constructing Isometries from Images of Triangles and Segments
12-05 Table of Clues -- Fixed Points and Invariant Lines
12-05 Orientaton of Products of Isometries -- as easy as 2+3!
12-05 Transformation Proofs of Napoleon and Fermat Point Properties - with study references for key ideas and tools.
Lab 9A - results to be turned in
Lab 9B - results to be turned in
- Answers: some of the patterns for Lab 9B
- More about glide reflections in Experiment 7
Lab 7 from 2002 poses all the general questions about line composition. It has an answer sheet linked.
Terminology: What is Defining Data for an Isometry?
Questions on compositions -- with some answers
Quiz from 2002 -- try this without answers first
Wallpaper and Symmetry Links from around the World