RotationMethod StewartTheorem LawOfCosines PlaneGeometry Intermediate
Problem - 3936
As shown, both $ABCD$ and $OPRQ$ are squares. Additionally, $O$ is the center of $ABCD$, $OP=1$, $BP=\sqrt{2}$, and $CQ=\sqrt{5}$. Find the length of $DR$.
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