Respuesta :

A reflection is a transformation representing a flip of a figure. A reflection maps every point of a figure to an image across a fixed line. The fixed line is called the line of reflection. Some simple reflections can be performed easily in the coordinate plane.
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Answer:

what is the reflection rule

Step-by-step explanation:

In mathematics, a reflection is a mapping from a Euclidean space to itself that is an isometry with a hyperplane as a set of fixed points; This set is called axis in 2 dimensions or plane in 3 dimensions of reflection.