A parallelogram has two pairs of parallel sides. Square Rectangle Rhombus
opposite sides that are parallel and the same length
four right angles
Square Opposite sides parallel Four right angles All sides same length
Trapezoid Only one pair of parallel lines
Rhombus Two pairs of parallel sides All sides the same length
Relationships of Quadrilaterals
Looking at the chart, answer the following questions: Are all rectangles quadrilaterals? Are all squares rectangles? Are all rectangles squares? Are all parallelograms rectangles? Are all squares parallelograms?