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.
1
One pair.
One pair.
One pair
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
A trapezoid has one pair of parallel sides. They are opposite parallel lines of different lengths.