Compositions of Isometries: Reflections and Glide Reflections
Explore the world of isometries with reflections across parallel and intersecting lines, as well as glide reflections combining translation and reflection. Solve problems involving composing these transformations to understand their effects on shapes and figures.
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Presentation Transcript
9-4 Compositions of Isometries
Isometry: a transformation that preserves distance or length (translations, reflections, rotations) There are 4 kinds of isometries
Problem 1: Composing Reflections Across Parallel Lines
Problem 2: Composing Reflections Across Intersecting Lines
Glide Reflection: is the composition of a translation (a glide) and a reflection across a line parallel to the direction of translation.
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