Parallelogram Characteristics:

-opposite sides parallel

-opposite sides congruent

-opposite angles congruent

-adjacent angles are supplementary

-the diagonals bisect eachother

Rectangle Characteristics:

-diagonals are congruent

-four right angles

Rhombus Characteristics:

-diagonals bisect the angles

-all sides are congruent

-diagonals are perpendicular

Square Characteristics:

-all characteristics of both rhombus and rectangle