that would be a parallelogram
there are 2 sets of parallel lines in a square
There are no parallel lines in a triangle !
7
A square has four sets of parallel lines.
that would be a parallelogram
how many sets of parallel lines are in a triangle
there are 2 sets of parallel lines in a square
four right angles four sides/edges two sets of parallel lines (ect, ect...)
There are 2 sets of parallel lines.
Triangles have three sides while trapezoids are quadrilaterals with four sides. Trapezoids have one set of parallel lines. Triangles do not have any sets of parallel lines.
Quite a lot of shapes have two sets of parallel lines including a square, rectangle and rhombus. These, note, are all quadrilaterals.
A regular decagon would have five sets or parallel lines.
There are no parallel lines in a triangle !
4
7
2