Quadri laterals (All about the four sides)

PARALLELOGRAM - 2 sets of parallel sides

- 2 sets of congruent sides

- opposite angles congruent

- consecutive angles supplementary

- diagonals bisect each other

- diagonals form 2 congruent triangles

RECTANGLE -properties of the parallelogram PLUS

- 4 right angles

- diagonals congruent

RHOMBUS - properties of the parallelogram PLUS

- 4 congruent sides

- diagonals bisect angles

- diagonals perpendicular

SQUARE -All properties of IIgm ,rectangle and square

- 2 sets of parallel sides

- 2 sets of congruent sides

- opposite angles congruent

- consecutive angles supplementary

- diagonals bisect each other

- diagonals form 2 congruent triangles

- 4 right angles

- diagonals congruent

- 4 congruent sides

- diagonals bisect angles

- diagonals perpendicular