Drag the red point to change the shape of the parallelogram.[br][b]Is the area of the parallelogram always equal to that of the rectangle? What is the area of the parallelogram?[/b][br]Check the "Dissect" box to explore.

Anthony Or. GeoGebra Institute of Hong Kong.

Special Parallelograms[br]Drag points around to form the following parallograms.[br] Parallelogram 1 - Form a parallelogram where all angles are congruent and consecutive sides are not congruent. Make note of any special features.[br][br]Parallelogram 2 - Form a parallelogram where all sides are congruent and consecutive angles are not congruent . Make note of any special features.[br][br]Parallelogram 3 - Form a parallelogram where all angles and sides are congruent. Make note of any special features.

Please use the class worksheet for a guide as to what your quadrilateral should look like and answers the questions on it.