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Math Help - Angles

  1. #1
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    Angles

    In Figure, Angle Z is
    (a)40
    (b)110
    (c)45
    (d)50
    Explin the method.
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  2. #2
    o_O
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    Since AB || AD, then \angle X = \angle B .

    So, \angle Z = 180^{\circ} - \angle X - 25^{\circ}
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