Quadrilaterals

A quadrilateral is a polygon with four sides.

The main types of quadrilaterals include rectangles, squares, trapezoids, rhombuses, and parallelograms.

Parallelogram.

A rectangle is a quadrilateral with four right angles.

A square is a quadrilateral with four equal sides and four right angles.

A trapezoid is a quadrilateral with at least one pair of parallel sides.

A rhombus is a quadrilateral with all four sides of equal length.

A rhombus or a trapezoid can have no right angles.

The sum of the interior angles of a quadrilateral is 360 degrees.

Yes, a quadrilateral can have all sides of different lengths.