EVALUATION: Instruction: Complete the proof of this theorem: "If two lines are cut by a transversal and a pair of alternate exterior angles is congruent, then the lines are parallel." Given: 21 S L2 Prove: rIs Proof: Statements Reasons 1. 41 2 1. 2. 2 L3 2. 3. 21 3 4. rIs 3. 4.

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