A right angle has one pair of perpendicular sides.
Any shape, other than a triangle can have a pair of perpendicular sides.
Hexagon.
No unless it is in the form of a rectangle
trapazoid
An irregular hexagon.
Yes, they can exist.
Draw a right angle corner, then add 4 more sides that are NOT right angles...
a trapazoid
A hexagon with only one pair of parellel sides
The question contradicts itself. A dodecagon need not have any perpendicular sides.
shape no pairs of perpendicular sides
A right trapezoid has exactly one pair of perpendicular lines and is a quadrilateral.
It is possible for a hexagon to have one pair of parallel sides. A hexagon can have 0, 1, 2 or 3 pairs of parallel sides, and can have 0, 2, 3, 4, 5, or 6 parallel sides.
I suppose. All of a square's sides are perpendicular.
No but its diagonals are perpendicular
a pentagon