Trapezoid. It has two parallel lines on opposite sides.
A circle intersected by a pair of parallel lines.
A trapezoid.
trapezoid
A quardrilateral with 1 pair of parallel lines and have no equal sides is a trapezium.
A trapezoid has 1 pair of opposite parallel lines of different lengths
1 pair of parallel line
trapezoid
A trapezoid has one pair of parallel sides. They are opposite parallel lines of different lengths.
Yes a trapezium has at least 1 pair of parallel lines however there is dispute that it may have 2 pairs of parallel lines.
Answera polygon that has two right angles and one set of parallel lines is a hexagon
1 pair of parallel sides mean 1 pair of non-intersecting lines for example, squares, their lines don't touch when they up or down.
A parallelogram has 1 pair of parallel lines that is also regular. See the related link.