Properties of quadrilaterals

A quadrilateral with opposite sides that are parallel and equal in length.

A rhombus has all sides equal, opposite angles are equal, and diagonals bisect each other at right angles.

All squares are rectangles, but not all rectangles are squares.

A quadrilateral with four right angles and opposite sides that are equal.

The diagonals of a rectangle are congruent (equal in length).

A quadrilateral with at least one pair of parallel sides.

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

A quadrilateral with all sides equal and all angles equal to 90 degrees.

The diagonals of a rhombus bisect each other at right angles.

Congruent angles are angles that have the same measure.