No, because then it would be a parallelogram.
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A quadrilateral that has one (and only one) pair of parallel sides is a trapezoid. It is isosceles of the non-parallel sides are of equal length. It is right angled if any one of the angles is 90 degrees.
Any shape with four straight sides is a quadrilateral. A trapezoid has one pair of parallel sides, and a parallelogram has two pairs of parallel sides. So any shape with four straight sides and no parallel sides is a quadrilateral that is not a parallelogram or trapezoid.
its non parallel sides are equal. it is vertically symmetrical. any one pair of sides are parallel like in all trapeziums. the co-interior angles between the parallel sides sum up to 90 degrees.
Because a quadrilateral is any four-sided shape, whereas a parallelogram must have opposite sides and equal angels. A trapezoid only has two sides and equal angles.In other words, a parallelogram has 2 pairs of parallel sides but a trapezoid only has one pair (top and bottom).
No. A trapezoid must have one pair of parallel sides, and a parallelogram must have two pair.But a quadrilateral in general doesn't necessarily have any parallel sides.