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A parallelogram has 2 pairs of parallel lines and in the form of a rectangle it has 2 pairs of parallel lines and 4 perpendicular lines that meet at each of its corners at right angles.
In a trapezium, there are two perpendicular lines. These perpendicular lines are the diagonals of the trapezium. The diagonals of a trapezium are the line segments that connect non-adjacent vertices of the trapezium and intersect each other at a right angle.
A circles has no perpendicular lines. Perpendicular lines are two straight lines that join forming 90 degree angles. They are found in squares, rectangles, and right-angled triangles. A circle is made by one line that is not straight but is curved. If you drew a circle, rectangle, right-angled triangle, or cross in the circle, then the circle would contain perpendicular lines. But the circle itself would have no perpendicular lines.
Rectangles are made up of 2 sets of parallel lines, which are perpendicular to one another.
A 9 sided nonagon normally has no perpendicular lines that meet at right angles