Copy of Exploring Two Reflections with Parallel Lines
The letter F is reflected over two parallel lines.
Drag point L to see how the transformations change
Check both boxes to see both reflected images.
What type of single transformation would map the pre-image to the final image?
Uncheck the "show reflection #1" box to better see it.
http://www.maa.org/sites/default/files/images/upload_library/47/Crowe/GeoGebra_Activity_5.html by Cheryll E. Crowe, Eastern Kentucky University