Classifying Quadrilaterals Based on Parallel Sides

The video tutorial explains the classification of quadrilaterals based on their parallel sides. It introduces polygons, focusing on quadrilaterals and trapezoids, and explains how to identify trapezoids by their single pair of parallel sides. The tutorial also covers parallelograms, which have two pairs of parallel sides, and concludes with a summary of classifying quadrilaterals.

Describe the difference between a quadrilateral and a polygon.

How can you determine if a shape is a polygon based on its sides?