1. 9-4 COMPOSITIONS OF ISOMETRIES

2. Isometries Isometry: transformation that preserves distance, or length. Translations, reflections, and rotations are isometries.

3. Theorem 9-2

4. Problem 1

5. Theorem 9-3

6. Problem 2

7. Glide Reflection A glide reflection is the composition of a translation (a glide) and a reflection across a line parallel to the direction of translation. Example:

8. Problem 3

9. Try with a Partner

10. TOO

11. Homework Pg. 574 # 6 – 15 all, 29 – 30 (just identify type of transformation) – done on a worksheet!