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Math Help - Prove or disprove that two angles are equal in a quadrilateral

  1. #1
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    Prove or disprove that two angles are equal in a quadrilateral

    A quadrilateral ABCD with mAB=mCD, where m means measure or length. mAD < mBC. E is the middle point of AD. F is the middle point of BC. G is the middle point of BD, H is the middle point of AC. Prove of disprove that angle of GEF must egual angle FEH. The points are below.

    --------------A----- E ------D

    -------------G
    B--------------------- H
    ------------------F

    --------------------------------------C
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  2. #2
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    Re: Prove or disprove that two angles are equal in a quadrilateral

    It is equal ..you must prove that the quadrilateral GEHF is a rhombus....use the midle points it is easy.
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  3. #3
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    Re: Prove or disprove that two angles are equal in a quadrilateral

    Got it. Thanks a lot.
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