Which of the following statements must be true based on the diagram below? Select all that apply. (Diagram is not to scale.)
A. RU is a segment bisector.
B. RU is a perpendicular bisector.
C. R is the vertex of a right angle.
D. U is the vertex of a right angle.
E. U is the midpoint of a segment in the diagram.
F. None of the above.
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