Answer: This quadrilateral is not a parallelogram because 1. opposite sides are not equal and 2. the right and left sides are not parallel.
Step-by-step explanation:
1. The top side is 4 units long and the bottom side is 8 units long. 4 [tex]\neq[/tex] 8.
2. The side on the left has a slope of 5/13 while the side on the right has a slope of 5/9.
