Homework Help: math

Posted by sarah on Wednesday, November 11, 2009 at 11:50pm.

Which of the following conditions ensures that a quadrilateral is a parallelogram?
A) A pair of opposite sides are both congruent and parallel.
B) Both pairs of opposite sides are congruent.
C) A pair of opposite sides are congruent.
D) All of the above

math - DrBob222, Wednesday, November 11, 2009 at 11:55pm
http://en.wikipedia.org/wiki/Parallelogram
math - Nick, Thursday, November 12, 2009 at 12:20am
d
math - Brittney, Tuesday, October 25, 2011 at 8:35am
d

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