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More Lessons for High School Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

**Composition of Transformations**

A composition of transformations is a combination of two or more transformations, each performed on the previous image.

**Double Reflections over Parallel Lines**

A composition of reflections over parallel lines has the same effect as a translation (twice the distance between the parallel lines).

**Double Reflections Over Intersecting Lines**

A composition of reflections over intersecting lines is the same as a rotation (twice the measure of the angle formed by the lines).

**Glide Reflection**

A glide reflection is a composition of transformations. In a glide reflection, a translation is first performed on the figure, then it is reflected over a line. Therefore, the only required information is the translation rule and a line to reflect over. A common example of glide reflections is footsteps in the sand.

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