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August 27, 2014

Homework Help: geometry

Posted by whitney on Sunday, January 2, 2011 at 2:58pm.

If Quadrilateral QRST is a parallelogram, which is not necessarily true?

a. Opposite angles are congruent. b. The diagonals bisect each other.

c. Angles are four right angles. d. Consecutive angles are supplementary.

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