square
A parallelogram.
Parallelogram
A paralellogram
A trapezoid is a quadrilateral with two parallel sides. One on the top, and one on the bottom.
A trapezium is a quadrilateral with two parallel lines.
A trapezoid is a quadrilateral with exactly two parallel sides.
It is a trapezoid
There are two definitions for trapezoids. One defines them as a quadrilateral with at least two parallel lines, which would include parallelograms. The other strictly defines trapezoids as quadrilaterals with exactly two parallel lines.
Most of the time.If a quadrilateral contains no parallel lines or two pairs of parallel lines then it is not a trapezium.
squarerectangleparallelogram
A parallelogram
trapezoid
square
Not if the two pairs give rise to 4 parallel lines.
A four-sided quadrilateral having two lines of symmetry is a rectangle
A parallelogram.