SQUARE
*ALL SIDES ARE EQUAL.
*DIAGONALS ARE EQUAL.
*DIAGONALS BISECT EACH OTHER.
RHOMBUS
*OPOSITE SIDES ARE PARALLEL
*OPPOSITE ANGLES ARE EQUAL.
*ADJACENT ANGLES ARE SUPPLEMENTARY.
PARALLELOGRAM
*OPPOSITE SIDES ARE CONGRUENT.
*OPPOSITE ANGLES ARE CONGRUENT.
*CONSECUTIVE ANGLES ARE SUPPLEMENTARY.