A pentadecagon, which has 15 sides, can be analyzed for parallel lines by considering the sides. Each pair of opposite sides in a regular pentadecagon can be seen as parallel. Since there are 15 sides, the number of pairs of parallel sides is given by the formula ( \frac{n}{2} ) where ( n ) is the number of sides. Therefore, a regular pentadecagon has 7 pairs of parallel lines.
A diamond has two pairs of parallel lines.
A parallelogram has 2 pairs of parallel lines
It has two pairs of parallel lines so yeah
A square has 2 pairs of opposite parallel lines.
4 pairs
A diamond has two pairs of parallel lines.
A rhombus has 2 pairs of parallel lines.
A regular dodecagon has six pairs of parallel lines.
it has 2 pairs of parallel lines
A pentagon has no parallel lines.
it has too 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 square has 2 pairs of parallel lines and they all are the same lenght
2 pairs of parallel lines
A parallelogram has two pairs of parallel lines.