yes
irregular square or rectangle
trapezoid
A trapezoid is a four sided figure with one set of sides parallel
A trapiziod
A quadrilateral, or four-sided plane figure with 1 pair of parallel lines
A parallelogram is by definition made of two pairs of parallel lines; it is always a four sided figure. A hexagon is a six sided figure, so it cannot be a parallelogram.
A trapezoid is a 4 sided quadrilateral having a pair of parallel lines of different lengths
it is called a trapezoid
A trapezoid sometimes called a trapezium
It is called a trapezium.
Parallelogram