2. Classifying quadrilaterals

• A quadrilateral is a polygon with 4 sides. Here is a more complete list than the one on the previous screen.

• Please note the following special situations:


In the figure, click and drag each quadrilateral to the appropriate box on the left. Make sure that all vertices of the quadrilateral are inside the box. You may need to rotate the quadrilateral to do this. When you are done, click 'Check my work.' Then click 'New quiz' to get more practice.