The answer is parallel because a parallel has 2 sided figure.
A trapezoid only has only two parallel sides.
A triangle. It has only three sides!
An impossible figure
Parallelogram
A polygon is a 2-dimensional closed figure that has at least three sides. A pentagon is a 2-dimensional closed figure that has five and only five sides, so it is a kind of polygon.
A trapezoid is a four sided figure with at least one set of parallel sides
A 2-dimensional figure can have any number of sides more than 2.
OctagonAn octagon is a 2-D figure with 8 sides.
A hexagon is a 2-dimensional figure with six sides. In general, a 2-dimensional figure with many sides is called a polygon.
Oblong
A figure with exactly one pair of opposite sides can have only two sides in total and so is simply an obtuse angle.A figure with exactly one pair of opposite sides can have only two sides in total and so is simply an obtuse angle.A figure with exactly one pair of opposite sides can have only two sides in total and so is simply an obtuse angle.A figure with exactly one pair of opposite sides can have only two sides in total and so is simply an obtuse angle.
inscribed angles