Drag and drop a statement or reason to each box to complete the proof.

given: pq≅pr

prove: ∠q≅∠r

The data observed from the triangle are given below.

Statement                         Reason

                         Given

Draw so that M is the midpoint of QR.     Two points determine a line

                         Definition of midpoint

                        Reflexive property of congruence

               SSS congruence postulate

                       CPCTC

SSS means side-side-side

CPCTC means corresponding parts of the congruence triangle are congruent.

Hence the given triangle is SSS congruence postulate

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