Task. A trapezoid has one pair of parallel sides and a parallelogram has two pairs of parallel sides. So a parallelogram is also a trapezoid. No-a trapezoid can have only one pair of parallel sides.That’s not true. A trapezoid has at least one pair of parallel sides, but it can also have another. Niko and Carlos are studying parallelograms and trapezoids. They agree that a parallelogram is a quadrilateral with two pairs of parallel sides.hat’s not true. A trapezoid has at least one pair of parallel sides, but it can also have another. Niko and Carlos are studying parallelograms and trapezoids. They agree that a parallelogram is a quadrilateral with two pairs of parallel sides.