A trapezium is a quadrilateral that has one pair of parallel sides
A trapezium is a quadrilateral which has one set of parallel sides.
A quadrilateral that has only two of its sides parallel to each other is a trapezium.
Statement 1: A parallelogram is a trapezium. Statement 2: A trapezium has one pair of opposite sides parallel. A parallelogram has both pairs of opposite sides parallel.