1. Rhombus 1.Both pairs of opposite sides are parallel 2. Both pairs of opposite sides are congruent 3. Both pairs of opposite angles are congruent 4. Consecutive interior angles are supplementary 5. Diagonals bisect each other

2. (Def) 6. Four congruent sides (8-16) 7. Diagonals are perpendicular (8-17) 8. Diagonals bisect opposite angles

3. SQUARES 1.Both pairs of opposite sides are parallel 2. Opposite sides are congruent 3. Both pairs of opposite angle are congruent 4. Consecutive interior angles are supplementary 5. Diagonals bisect each other

4. (Def) 1. 4 right angles and 4 congruent sides 2. Diagonals are congruent 3. Diagonals are perpendicular 4. Diagonals bisect opposite angles