1 pair
A trapezium
A shape with no right angles and one pair of parallel lines would be called a trapezoid in the USA, and a trapezium in Britain.
A trapezoid
I assume you mean 1 pair of parallel lines, which would describe a trapezoid.
1 pair
A rectangle
A trapezium
Trapizium
A shape with no right angles and one pair of parallel lines would be called a trapezoid in the USA, and a trapezium in Britain.
A parallelogram has 1 pair of parallel lines that is also regular. See the related link.
A trapezoid
yes or no
I assume you mean 1 pair of parallel lines, which would describe a trapezoid.
A trapezoid.
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 right-angle triangle.