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.
geometry - Damon, Sunday, January 2, 2011 at 3:04pm
Hold on here - what is a rectangle? How does it differ from any other kind of parallelogram
geometry - Anonymous, Tuesday, January 25, 2011 at 6:46pm
geometry - Anonymous, Wednesday, October 19, 2016 at 3:48pm
Which statement is true about angles 3 and 5?