List the properties that all rhombus share

All the properties of a parallelogram apply (the ones that matter here are parallel sides, opposite angles are congruent, and consecutive angles are supplementary). All sides are congruent by definition. The diagonals bisect the angles.

1. All sides are congruent.

2. Consecutive sides of rhombus are congruent.

3. The diagonals of a rhombus are perpendicular