quadrilateral

4 Sided Quadrilaterals

The quadrilateral is a polygon with four sides and four vertices or corners. The word quadrilateral consists of the words "quad", which means four, and "lateral", which means sides. A parallelogram is a quadrilateral with two pairs of parallel sides. The old-fashioned paper flying kite is a quadrilateral shape. Visit wikipedia.org quadrilateral (geometry) for more detailed information about the quadrilateral shape.