there are 2 sets of parallel lines in a square
7
technically it has rectangles, because a rectangle is two sets of parallel lines that connect at 90 degree angles.
A square, a rectangle, a rhombus and a parallelogram are 4 sided quadrilaterals that have 2 sets of parallel lines.
Two different sets.
how many sets of parallel lines are in a triangle
never
There is only one set of perpendicular lines in a right triangle; the horizontal line and the vertical line that make it 90 degrees.
there are 2 sets of parallel lines in a square
There are 2 sets of parallel lines.
4
2
7
2
technically it has rectangles, because a rectangle is two sets of parallel lines that connect at 90 degree angles.
A square, a rectangle, a rhombus and a parallelogram are 4 sided quadrilaterals that have 2 sets of parallel lines.
Two different sets.