Cess
7.3
practice a
conditions for parallelograms
for each definition or theorem, tell what information you would
need about the figure to conclude that the figure is a parallelogram.
for some exercises, there is more than one correct answer, but give
only one example per exercise.
1. if both pairs of opposite angles of a quadrilateral are
congruent then the quadrilateral is a parallelogram.
if both pairs of opposite sides of a quadrilateral are