# What is glide reflection?

What is glide reflection. How to find a reflection axis from a translation form, such as $F(v)= Av+B$ and $B$ is not zero?

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## 1 Answer

Glide reflection is the composition of a reflection and a translation parallel to the plane of reflection. If you compose the glide reflection operation with itself, you get a pure translation by twice the original translation vector; this is one way to single out what that vector is.

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