Problem
2023 AMC 10A Problem 19
The line segment formed by A(1, 2) and B(3, 3) is rotated to the line segment formed by A'(3, 1) and B'(4, 3) about the point P(r, s). What is |r - s|?
\textbf{(A)} \dfrac{1}{4} \qquad \textbf{(B)} \dfrac{1}{2} \qquad \textbf{(C)} \dfrac{3}{4} \qquad \textbf{(D)} \dfrac{2}{3} \qquad \textbf{(E)} 1
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