Pick four points such that they form a quadrilateral that is not a type of parallelogram, trapezoid, or kite. Connect them to form a quadrilateral.
Locate the midpoint of each side by clicking the point button and then the midpoint or center button and clicking the two points you want to find the midpoint between. [br][br]Connect the midpoints of each side length to form a quadrilateral.
What type of quadrilateral does it appear to be? Can you prove it?