how many sets of parallel lines are in a triangle
A triangle can have no parallel lines.
There are no parallel lines in a triangle !
There cannot be parallel lines in any [plane] triangles.
None of the sides of any triangle are parallel. However, you can draw an infinite number of parallel lines inside any triangle.
A triangle can never have any parallel sides.
There are no parallel sides in a right angle triangle
There are no parallel sides in a right angle triangle
A triangle has no sides parallel to each other.
2 paris of lines
None
None.