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Math Help - Geometry: Two column proof for this.

  1. #1
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    Geometry: Two column proof for this.

    I need a two-column proof for this asap. (Statements & its corresponding reason)

    Given: JKLM is a parallelogram
    <M is a right angle (It is read as angle M)
    MJ = JK (MJ is congruent to JK)
    Prove: Parallelogram JKLM is a square

    Illustration:


    Appreciated. ♥
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  2. #2
    Junior Member Kaloda's Avatar
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    Re: Geometry: Two column proof for this.

    1) JKLM is a rectangle --- if a parallelogram contains one right angle, then all other angles are right angles and its a rectangle.
    2) JM = LK , LM = JK ---- Opposite sides of a parallelogram are congruents.
    3) JM = JK = LM = LK ---- Transitive property
    4) JKLM is a square ----- Defn of a square (4 right angles and all sides are congruent)
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