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OpenStudy (anonymous):
The quadrilateral ABCD is a parallelogram. Which of the following pieces of information would suffice to prove that ABCD is a rectangle? m∠B = m∠D ∠A and ∠D are supplementary AC = BD AB = CD
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OpenStudy (anonymous):
|dw:1367196465985:dw|
OpenStudy (anonymous):
@luckythebest
OpenStudy (mathstudent55):
The answer is C.
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