If both sets of opposite sides are parallel and not equal, the shape cannot be a plane figure. It must be a projection of a parallelogram onto a spherical surface (or similar).
any rhombus
Trapezoid
A hexagon.
That is a parallelogram; it could also be called a diamond shape.
It can be a square or a rectangle
A square is a regular polygon with two sets of parallel sides. A parallelogram is an irregular polygon with one set of parallel sides. A rhombus is an irregular polygon with two sets of parallel sides. A rectangle is an irregular polygon with two sets of parallel sides. *Note - a regular polygon is a shape in which all sides are equal in length and all angles are equal in measurement.
If both sets of opposite sides are parallel and not equal, the shape cannot be a plane figure. It must be a projection of a parallelogram onto a spherical surface (or similar).
any rhombus
Trapezoid
a cross
A shape with parallel sides but no right angles is called a parallelogram
If the shape (a quadrilateral) has only 2 parallel sides, it is a trapezoid (UK trapezium).A shape with four sides and two sets of parallel sides is a parallelogram (rectangle, square, rhomboid, rhombus) because these figures have four sides and two sets of parallel sides.
A hexagon.
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That is a parallelogram; it could also be called a diamond shape.
A regular square or a rhombus if you mean all four sides are equal in length, a parallelogram if you mean the opposite sides are equal.