Only one pair is parellel.
1 pair of parallel lines
A trapezoid is a quadrilateral with one pair of sides parallel.
A trapezoid has one pair of parallel sides.
One pair.
1
One pair.
One pair
A trapezoid has one pair of parallel sides. The defining characteristic of a trapezoid is that it has at least one pair of sides that are parallel, while the other pair can be of different lengths and are not parallel.
A trapezoid is a four sided quadrilateral that has only one pair of opposite parallel lines of different lengths.
Just one. And the other pair cannot be parallel.
One pair. And the other pair must be non-parallel.
Normally 1 pair