That would be a trapezoid with no parallel sides. Also referred to as a Trapezium.
Rectangle
No. A trapezoid is a 4-sided flat shape with straight sides that has a pair of opposite sides parallel. The opposite angles not congruent.
trapizoid
A parallelogram has both pairs of opposite sides parallel but no right angles. A special kind of parallelogram is a rhombus which has all its sides of equal length
The shape you are looking for is a quadrilateral. If you have a square, all angles MUST be right angles. A parallelogram can also have 4 equal sides in length and parallel sides, but a parallelogram doesn't have right angles.
rectangle
trapizoid
A rhombus
parallelogram
Rectangle
A parallelogram or a rhombus
A square
A square
A square or a rectangle perhaps?
A parallelogram.
A trapezoid
rhombus