Angle
Infinitely many. Every regular polygon with 2n sides has n pairs of parallel sides. Then there are irregular polygons which can have parallel sides. And there are also irregular shapes which have parallel sides.
Angle
A square has two pairs of parallel sides.It has two pairs of parallel sides.
A parallelogram has 2 pairs of parallel sides.
Angle
A shape that doesn't have pairs of parallel sides is a circle. This is also true of ellipses and triangles.
Trapezoidrectanglediamondparallelogram
Angle
Infinitely many. Every regular polygon with 2n sides has n pairs of parallel sides. Then there are irregular polygons which can have parallel sides. And there are also irregular shapes which have parallel sides.
Most irregular shapes don't have parallel sides By: SupeRMAn
Retangles, squares, parralelegrams and various other shapes
a square and a rectangle
a square
Yes, a square has two pairs of parallel sides.
A parallelogram is a closed 2-dimensional shape bounded by two pairs of parallel sides.
It can be an irregular polygon with 5 or more sides.