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Randy N
Randy N asked in Education & ReferenceHomework Help · 1 decade ago

given: j is the midpoint of KM and NL. Prove : KL ll MN?

for any math wiz p.s. line over KM and NL and MN

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  • igorotboy
    Lv 7
    1 decade ago
    Favorite Answer

    1. NJ congruent to JL; KJ congruent to JM - definition of midpoint

    2. <KJL congruent to <MJN - vertical angles are congruent

    3. triangle KJL congruent to triangle MJN - SAS theorem

    4. <LKJ congruent to <NMJ - CPCTC

    5. KL || MN - if alternate interior angles are congruent, then the lines are parallel

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