A kite, for example. But the general quadrilateral, with no specific name, also has no parallel sides.
Its a trapezium.
Squares, rectangles, parallelograms and rhombuses have 2 pairs of parallel sides. The trapezoid has only 1 pair of parallel sides.
A right triangle
A trapezoid/trapezium is a quadrilateral (4 sided shape) with exactly one pair of parallel sides.It is a quadrilateral (a closed plane shape with four linear sides) that has at least one pair of parallel lines for sides
You can prove it if you can prove that one pair of opposite sides is parallel (and, strictly speaking, that the other pair is not). Proving that the lines are parallel depends on the information available. Thier equations may have the same slope (gradient), or that the angles at their ends are supplementary, etc.
A quadrilateral that has only one pair of parallel sides (the other pair not parallel) is a trapezium.
A quadrilateral has four sides that may or may not be equal or parallel If two sides are parallel and the other sides equal but not parallel it is a trapezoid
A trapezium.
British definition differs with USAUSATrapezoidA quadrilateral with one pair of parallel sidesTrapeziumA quadrilateral with no sides parallelBritishTrapezoidA quadrilateral with no sides parallelTrapeziumA quadrilateral with one pair of parallel sides
One pair? If it is one pair of parallel sides, then it is a trapezoid. If it has 2 pairs of parallel sides, then it is a parallelogram.
RHOMBOID
trapezoidA trapezoid has one pair of parallel sides.
A trapezium.
Yes, a trapezoid is a quadrilateral with only one pair of parallel sides.
quadrilateral
A quadrilateral with at least one pair of parallel sides has multiple possible names, depending on what type of quadrilateral it is.SquareRectangleParallelogramRhomboidTrapezoidYou are probably looking for only one pair of parallel sides, which is a trapezoid - both regular and irregular.
A parallelogram is a quadrilateral, which has 2 pair of parallel sides. Squares, rhombuses and rectangles are special cases of parallelograms.