I'm pretty sure it is 12 pairs of parallel lines.
how many sets of parallel lines are in a triangle
There are 2 sets of parallel lines.
4
A cuboid has 6 faces, 12 edges and 8 vertices which all meet at right angles.
2 sets of Parallel lines
3 sets of four mutually parallel lines.
Yes: three sets of four.
Three sets of four each.
how many sets of parallel lines are in a triangle
there are 2 sets of parallel lines in a square
There are 2 sets of parallel lines.
A regular decagon would have five sets or parallel lines.
There are no parallel lines in a triangle !
7
2
4
A square has four sets of parallel lines.