A parallelogram.
They are equal and parallel.
Equal and parallel
A parallelogram.
It is not possible for a quadrilateral in Euclidean plane geometry to have no equal angles and still have its opposite sides parallel.It's possible for a quadrilateral to have no equal angles and two of its sides parallel (opposite ones, obviously; adjacent sides can't possibly be parallel). That would be a trapezoid.
A parallelogram.
They are equal and parallel.
Equal and parallel
A quadrilateral with opposite sides equal and parallel
rhombus
A Rectangle
A parallelogram.
A parallelogram.
A square or a rectangle
It is not possible for a quadrilateral in Euclidean plane geometry to have no equal angles and still have its opposite sides parallel.It's possible for a quadrilateral to have no equal angles and two of its sides parallel (opposite ones, obviously; adjacent sides can't possibly be parallel). That would be a trapezoid.
quadrilateral
rectangle