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A sequence of transformations maps [tex]$\triangle ABC[tex]$[/tex] onto [tex]$[/tex]\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}[tex]$[/tex]. The type of transformation that maps [tex]$[/tex]\triangle ABC[tex]$[/tex] onto [tex]$[/tex]\triangle A^{\prime} B^{\prime} C^{\prime}[tex]$[/tex] is a $[/tex]\square[tex]$. When [tex]$[/tex]\triangle A^{\prime} B^{\prime} C^{\prime}[tex]$[/tex] is reflected across the line [tex]$[/tex]x=-2[tex]$[/tex] to form [tex]$[/tex]\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}[tex]$[/tex], vertex $[/tex]\square[tex]$ of [tex]$[/tex]\triangle A^{\prime \prime} B^{\prime \prime} C^{\prime \prime}[tex]$[/tex] will have the same coordinates as [tex]$[/tex]B^{\prime}$[/tex].