A diamond has two pairs of parallel lines.
A rhombus has 2 pairs of parallel lines.
There are no parallel lines in the diamond-shaped kite.There are (usually) four parallel struts (lines) is a standard box kite.
None
it has 2 pairs of parallel lines
A regular dodecagon has six pairs of parallel lines.
it has too parallel lines!
A pentagon has no parallel lines.
A square has 2 pairs of equal opposite parallel lines
A regular octagon has four pairs of parallel lines.
A parallelogram has 2 pairs of parallel lines
A parallelogram has two pairs of parallel lines.