Here are three shapes that have two pairs of parallel lines:
square
parallelogram
rectangle
There are many polygons with at least two pairs of parallel lines.
hexagon (has 3 pairs of parallel lines)
octagon (has 4 pairs)
decagon (has 5 pairs)
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A nonagon is a nine-sided polygon. In a nonagon, there are four pairs of parallel lines. This is because the nonagon can be divided into three sets of parallel lines, each containing three parallel lines. Each set of parallel lines consists of three pairs of parallel lines.
four sides, four right angles, 2 pairs of parallel lines
Prism
If at least two of the three lines are parallel, the three lines will not form a triangle.
They are prisms. The bases may be any polygons with three or more sides.