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Math Help - Quadrilaterals

  1. #1
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    Question Quadrilaterals

    Mid-points of opposite sides of a parallelogram are joined as shown in the attached image. How do I prove that

    1. APQD is a parallelogram
    2. AD || PQ
    3. ABSR is a parallelogram
    3. APOR is a parallelogram

    Thanks,

    Ron
    Attached Thumbnails Attached Thumbnails Quadrilaterals-quad.gif  
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  2. #2
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    You posted this question in the Pre-Algebra/Algebra forum.
    Therefore it is difficult to know how to help you.
    Do you know anything about coordinate geometry?
    Do you know anything about vector geometry?
    If the answer to both is no, then what are we working with here?
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  3. #3
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    No I don't know all those things....I have just started working with parallelograms & quadrilaterals. All I know are the different properties of parallelogram like pairs of opposite sides are parallel & equal, both pairs of opposite angles are equal, diagonals bisect each other. Also I know about parallel lines & transversal....can you now help me with this?

    Sorry I posted it in the wrong forum
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