It can have none, two, three or four.
There are four perpendicular lines in a rectangle
A rectangle has 4 perpendicular lines that meet at right angles.
2
A trapezium has no right angles therefore there are no perpendicular lines. If it had perpendicular lines, it would be a square or rectangle.
2
2
4
A rectangle, by definition is an irregular quadrilateral. It has two pairs of parallel sides.
A rectangle has four 90º (right) angles. A right angle makes lines or line segments perpendicular to each other.
It depends on the irregular figure. A rectangle, for example, has two.
None normally unless its in the shape of a rectangle which has 4 perpendicular lines creating 4 right angles
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.