Rectangle: Parallelogram attributes (FOUND in QUAD01) AND all interior angles are right angles and diagonals are congruent
Rhombus: Parallelogram attributes AND all 4 sides are congruent, opposite angles are bisected by diagonals and diagonals are perpendicular
Square: Rectangle attributes AND Rhombus attributes
Rhombus: Parallelogram attributes AND all 4 sides are congruent, opposite angles are bisected by diagonals and diagonals are perpendicular
Square: Rectangle attributes AND Rhombus attributes