Asked by whitney
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.
a. Opposite angles are congruent. b. The diagonals bisect each other.
c. Angles are four right angles. d. Consecutive angles are supplementary.