What are the attributes of a parallelogram

simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure

1.) opposite side of a parallelogram are parallel and you can prove that by finding the slope for both lines.

2.) opposite sides of a parallelogram are congruent

3.) diagonals bisect each other

4.) opposite angles are congruent

5.) consecutive angles are supp.