rhombus
A Trapezium is a quadrilateral with no parallel sides.
The quadrilateral with two pairs of parallel sides
A kite, for example. But the general quadrilateral, with no specific name, also has no parallel sides.
Yes, a trapezoid is a specific type of quadrilateral that has one pair of parallel sides. It does not have any other special name.
I don't think there's a special name for that.
There is, unfortunately, no special name.
RHOMBOID
quadrilateral
a parallelogram.
Its 4th side would have to be circular in order to comply with the given requirements
it is a trapezium
Parallelogram