Answer:A quadrilateral is a four-sided, four-angled, four-vertexed polygon. Many types exist, including squares, rectangles, rhombuses, parallelograms, trapezoids, and kites, each with specific properties, but all sharing the basic four-sided structure.Step-by-step explanation:A quadrilateral is a closed, two-dimensional geometric shape that has four sides, four angles, and four vertices (corners). The sides are line segments.pili ka nalang jan