Quadrilaterals

All the signs are trapezoids.

All the signs are parallelograms.

All the signs are squares.

All the signs are rhombuses.

Group A contains quadrilaterals. Group B does not.

Group B contains only figures with square corners. No figures in Group A have square corners.

Group B contains figures that are quadrilaterals. Group A does not.

Group B contains quadrilaterals with special names. Group A contains quadrilaterals that do not have special names.

A parallelogram

A rectangle

A Square

A trapezoid