it might be a rhombus a trapezoid. A quadrilateral is a shape with 4 sides, and parallel sides are sides that go the same direction.
.....__________parallel with bottom
..../ . . . . . . . . . \
.../. . . . . . . . . . \ not parallel with other side
../. . . . . . . . . . . \
/_____________\parallel with top
The dots are so it doesn't change. sorry.
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A trapezium is a quadrilateral with two parallel lines.
A kite has two pairs of equal sides with no parallel sides.
A parallelogram is a quadrilateral in which each of two sets of opposite sides consists of two parallel lines (or for math purists I should say, parallel line segments).
It is a trapezium.
A quadrilateral having only one pair of parallel sides is called a trapezoid (UK trapezium).A quadrilateral having two pair of parallel sides is a parallelogram (a square, a rectangle, a rhombus, or a two-dimensional rhomboid).