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OpenStudy (anonymous):
MATH HELP PLEASEEEE!! Which choice can be used to confirm that a quadrilateral is a parallelogram? A. A quadrilateral is a parallelogram if it has exactly one pair of congruent angles. B. A quadrilateral is a parallelogram if it has exactly one pair of congruent sides. C. A quadrilateral is a parallelogram if it has one pair of sides that are both congruent and parallel. D. A quadrilateral is a parallelogram if it has two angles that are supplementary.
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OpenStudy (anonymous):
math? lol this is biology just saying
OpenStudy (anonymous):
i think it may be C wild guess lol
OpenStudy (anonymous):
If you switch this question to math, I bet there will be lots of people willing to help you! It's a great section and I always get really speedy and understandable help when I need it.
OpenStudy (anonymous):
C
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