a rectangle
A parallelogram has two pairs of parallel sides.
It can have anywhere between 0 and 12 pairs of parallel sides.
rectangle
A triangle.
a parallelogram
A diamond has 2 sets of parallel sides.
A shape with two pairs of parallel sides is ........ a parallelogram!
A geometric shape with only one set of parallel sides is a trapezoid.
shape no pairs of perpendicular sides
All triangles have no pairs of parallel lines.Any regular polygon with an oddnumber of sides (regular pentagons, heptagons, nonagons, etc) also have no parallel lines.Most irregular polygons will have no parallel sides, either.
An equilateral hexagon would work. It has more than 2 pairs of parallel sides though. There is no shape with only 2 pairs of parallel sides besides a parallelogram.
A square
A parallelogram has two pairs of parallel sides.
It is a shape which has two pairs of PARALLEL sides. Parallel sides - parallelogram. Get it?
It can have anywhere between 0 and 12 pairs of parallel sides.
A shape that doesn't have pairs of parallel sides is a circle. This is also true of ellipses and triangles.
If it has four equal sides, then two parallel sides implies two PAIRS of parallel sides. The shape is a rhombus.