1. Both pairs of opposite sides are parallel
2. Diagonals are perpendicular
3. Diagonals are congruent
4. Diagonals bisect eachother
5. Both pairs of opposite sides are congruent
6. All sides are congruent
7. Both pairs of opposite angles are congruent
8. All angles are congruent
9. consecutive angles are supplimentory
10.Angles bisected by diagonals
