It's a trapezoid
A pair of infinitely long parallel lines.
A trapezoid has two parallel lines.
A shape with 4 straight lines in which there are 2 parallel and 2 unparallel lines is called a Trapezium.
2 parallel sides or 2 pairs of parallel sides?
it can but doesn't have to.
A four sided shape with 2 parallel sides is called a trapezium. A four sided shape with 2 pairs of parallel sides is called a Parallelogram; This includes squares, rectangles and rhombi. If you want to find more about this you can check on google.
A square, a rectangle, a rhombus and a parallelogram are 4 sided quadrilaterals that have 2 sets of parallel lines.
quadrilateral. not all, but it can. No, its obviously a trapizoid