| Property | Quadrilateral | Hint |
| Properties of all trapezoids | |
| Diagonals bisect opposite angles | |
| Diagonals create two congruent triangles | |
| Base angles are congruent | |
| Has 4 right angles | |
| Diagonals are congruent | |
| All 11 properties of parallelogram, rectangle, and rhombus | |
| Opposite angles are congruent | |
| Diagonals are perpendicular to each other | |
| Consecutive angles are supplementary | |
| | Property | Quadrilateral | Hint |
| All 6 properties of a parallelogram | |
| Opposite sides congruent | |
| All 6 properties of a parallelogram | |
| Both pairs of opposite sides parallel | |
| All sides are congruent | |
| Exactly one pairs of parallel sides | |
| Diagonals are congruent | |
| Legs are congruent | |
| 4-sided figure | |
| Diagonals bisect each other | |
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