Opposite sides of a square are parallel.
rectangle
A trapezoid
A trapezoid.
a trapizoid
A kite
This quadrilateral is a trapezoid. In a trapezoid, one pair of opposite sides is parallel, and one pair of opposite sides is congruent. The other two sides are not parallel or congruent.
An isosceles trapezoid
trapezoid
It is a trapezoid which has 1 pair of opposite parallel sides of different lengths
That's a trapezoid (or 'trapezium').
A trapezoid has exactly one pair of parallel lines