1. View a Construction

Click on the the checkboxes to reveal steps of the construction of each type of special quadrilateral, based on the definition specified.

2. Explore the Possibilities

The GREEN points may be moved freely. The ORANGE points may be moved, but are constrained by the construction. The RED points are prescribed by the construction and cannot be moved independently of the other points.

3. What Do You Notice?

For each type of special quadrilateral, what seems to always be true? That is, make some conjectures about the properties of each type of quadrilateral. WRITE down your conjectures. SENTENCE FRAMES to get you started... * Opposite sides are ____________. * Opposite angles are ____________. * The diagonals ___________. * Every _______ is _______.