|Rhombus||a parallelogram with four equal sides; an oblique-angled equilateral parallelogram|
|Square||a 4-sided regular polygon with all sides equal and all internal angles 90°|
|Trapezoid||a quadrilateral with one pair of parallel sides|
|Kite|| a quadrilateral with two distinct pairs of equal adjacent sides|
A kite-shaped figure. Each pair must be adjacent sides (sharing a common vertex) and each pair must be distinct. That is, the pairs cannot have a side in common.
|Rectangle||a 4-sided polygon where all interior angles are 90°|
|Parallelogram||A parallelogram is a quadrilateral with opposite sides parallel and congruent. It is the "parent" of some other quadrilaterals.|