Classifying Two Dimensional Figures

A rectangle is a quadrilateral with 2 pairs of parallel sides and four right angles.

A polygon is a closed figure with three or more straight sides. Non-examples include circles and curves.

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

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

A square is a special type of rectangle and rhombus, with all sides equal and all angles right angles.

A parallelogram is a quadrilateral with two pairs of parallel sides.

A rectangle has four right angles, while a rhombus has all sides equal but not necessarily right angles.

A circle is a non-example of a polygon.

A triangle has three sides.

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