CEMC Cayley, 2007

Geometry Difficulty 3.0 AMC 10/12 Find the answer Canada

In the diagram, if $\triangle ABC$ and $\triangle PQR$ are equilateral, then $\angle CXY$ equals

(A) $30^{\circ}$ (B) $35^{\circ}$ (C) $40^{\circ}$ (D) $45^{\circ}$ (E) $50^{\circ}$

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