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MBA (IT), PHD
Kaplan University
Apr-2009 - Mar-2014
Professor
University of Santo Tomas
Aug-2006 - Present
Question description
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For what value of x must ABCD be a parallelogram? |
A four-sided figure ABCD has two horizontal sides and two vertical sides. A diagonal rises from vertex A to vertex C. Angles B and D are right angles. The angle at vertex A above the diagonal has a measure of(18x+5)° . The angle at vertex C below the diagonal has a measure of(21x−7)°    |
x=
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