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OpenStudy (anonymous):
Is the quadrilateral a parallelogram? Explain. The diagram is not to scale.
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OpenStudy (anonymous):
OpenStudy (unklerhaukus):
well do you know that the sum of interior angles in a quadrilateral is 360°
OpenStudy (unklerhaukus):
this suggests that angleB is 50°
OpenStudy (unklerhaukus):
and a quadrilateral with opposite angles equal is a parallelogram
OpenStudy (anonymous):
Thank you! :)
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