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{{ printedBook.courseTrack.name }} {{ printedBook.name }} To complete a glide reflection, we first perform the translation and then the reflection.

Let's begin by drawing $△ABC.$

The given rule of translation represents a vertical translation $4$ units up. $(x,y)→(x,y+4)$ To perform the translation, we have to add $4$ to each $y-$coordinate.

To perform the reflection, we have to reflect the vertices of $△A_{′}B_{′}C_{′}$ on the opposite side of $x=3$ in a way such that the distance from the vertices to $x=3$ remains the same.

The final glide reflection is the combined translation and reflection.