Based on the CPCTC theorem, the complete statement is: RQ ≅ RT.
<h3>What is the CPCTC Theorem?</h3>According to the CPCTC theorem, if two triangles are said to be congruent, then all the corresponding parts of both triangles are congruent.
Given that ΔPQR ≅ ΔSTR, RQ corresponds to RT. Therefore, both sides are congruent to each other.
Thus, the complete statement is: RQ ≅ RT.
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