Quadrilaterals
Any polygon with four sides is a quadrilateral. However, some quadrilaterals have special properties. These special quadrilaterals are given their own names.
A trapezoid is a quadrilateral with exactly 1 pair of parallel sides. A parallelogram is a quadrilateral with both pairs of opposite sides parallel.
A rhombus is a quadrilateral with 4 congruent sides.
A rectangle is a parallelogram with 4 right angles.
A square is a parallelogram with 4 right angles and 4 congruent sides.
Read the explanation below to learn more about quadrilaterals.
Practice: Answer the following exercises about quadrilaterals.