Square
parallelogram
It has two 5-tuples and 5 pairs of parallel lines. It need not have any line of symmetry.
A rectangle perhaps?
Rectangle
A diamond has two pairs of parallel lines.
parallelogram
A square has.
It has two 5-tuples and 5 pairs of parallel lines. It need not have any line of symmetry.
A rectangle perhaps?
A rectangle.
Rectangle
A diamond has two pairs of parallel lines.
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.
A rhombus has 2 pairs of parallel lines.
it has 2 pairs of parallel lines
A hexagon generally has 3 pairs of parallel lines.
A trapezoid does not has 2 pairs of parallel lines. A parallelogram does.