The quadrilateral that has one pair of parallel sides, but is not a parallelogram, is a trapezoid. A trapezoid has only one pair of opposite sides that are parallel, while a parallelogram has both pairs of opposite sides parallel. The other options listed (rhombus, rectangle, and square) are all types of parallelograms.
Which quadrilateral has one pair of parallel sides, but is not a parallelogram?
rhombus
rectangle
trapezoid
square
1 answer