A trapezoid is a four-sided figure (or "quadrilateral") with only one pair of parallel sides.
Only one quadrilateral has only two parallel sides: the trapezium.
A four-sided shape is a quadrilateral. With only one pair of parallel sides, it would be called a trapezoid (UK trapezium).
It is a closed four-sided shape with one pair of parallel sides.
A trapezoid is a 4 sided shape that has one pair of parallel sides of different lenghts
square
An irregular hexagon.
A trapezoid or trapezium. UK definition verses American. One has 2 sides parallel, one has no sides parallel. Take your pick.
The name of the four-sided shape that has only one pair of parallel sides is known as a trapezoid. The other two sides are not parallel to each other. There are many other shapes with more than four sides that have one pair of parallel sides but these typically don't have special names. So assuming the question is only referring to four-sided figures, the answer is a trapezoid.
A quadrilateral (four-sided shape) is a parallelogram if it has two sets of parallel sides. If it has only one set, it is a trapezoid, also known as a trapezium.
A trapezium (trapezoid).
A square , a rectangle , a rhombus , in fact all the parallelograms have two parallel sides . Also a trapezium also has two parallel sides , which means one pair of parallel sides . The parallelograms have four parallel sides.