shape no pairs of perpendicular sides
a Kite
Square
a cross
The perpendicular adjacent sides in the triangle would be 3 sides. It is the basically horizonstal line next to a vertical line(perpendicular) if it was parallel adjacent then only two side of triangle /\ <-- parallel
trapazoid
shape no pairs of perpendicular sides
trapezoid
It could be a right angle triangle
square
a Kite
parallelogram
A hexagon.
No anwser impossible
For a shape to have parallel sides it needs at least 4 sides
Hexagon.
Square