This geometry document defines three types of parallelograms: rectangles have four right angles and opposite sides that are congruent, rhombuses have opposite angles that are congruent and all sides that are congruent, and squares have four right angles and all sides that are congruent.

1. Special Parallelograms Geometry Mrs. Adams

2. Parallelogram Quadrilateral Opposite sides parallel

3. Rectangle 4 right angles Opposite sides congruent

4. Rhombus Opposite angles congruent All sides congruent

5. Square 4 right angles All sides congruent