square
rectangle
parallelogram
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Most of the time.If a quadrilateral contains no parallel lines or two pairs of parallel lines then it is not a trapezium.
A quadrilateral as described is a parallelogram. If the angles between the two sets of parallel lines are 90 degrees, the shape is a rectangle, a special form of parallelogram.
parallelogram
rectangle
A quadrilateral with two sets of parallel side and right angles is called a rectangle. If all the sides are the same size it is also called a square.