I WONDER - What Is A Quadrilateral?

The video tutorial explains that a quadrilateral is a type of polygon with four sides and corners. It further defines a polygon as a flat, enclosed figure made of straight lines. The tutorial then distinguishes between different types of quadrilaterals: rectangles, which have four right angles, and squares, which have four right angles and equal-length sides.

What is a rectangle?

What distinguishes a square from a rectangle?