Proof: Statements Reasons Given: 2. K is the midpoint of MJ and JO. Given: 3. MK is congruent to JE and OK is congruent to LK. Given: ∠LOKM is congruent to ∠LKJ. Third Angles Theorem: ∠AVOK is congruent to ∠JJLK. Definition of Congruent Polygons: AVOK is congruent to JJLK. Vertical angles are congruent: ∠MOK is congruent to ∠JKL. Definition of midpoint: K is the midpoint of MJ. CPCTC: MK is congruent to JE and OK is congruent to LK.
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