# Problem #2353

 2353 A triangle with vertices $A(0, 2)$, $B(-3, 2)$, and $C(-3, 0)$ is reflected about the $x$-axis, then the image $\triangle A'B'C'$ is rotated counterclockwise about the origin by $90^{\circ}$ to produce $\triangle A''B''C''$. Which of the following transformations will return $\triangle A''B''C''$ to $\triangle ABC$? $\textbf{(A)}$ counterclockwise rotation about the origin by $90^{\circ}$. $\textbf{(B)}$ clockwise rotation about the origin by $90^{\circ}$. $\textbf{(C)}$ reflection about the $x$-axis $\textbf{(D)}$ reflection about the line $y = x$ $\textbf{(E)}$ reflection about the $y$-axis. This problem is copyrighted by the American Mathematics Competitions.
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