It is a cylinder.
A triangle cannot have two parallel sides. In order for a figure to be a triangle, it must be a closed figure with three sides and three angles. If two of the sides were parallel, there is no way the figure could be closed by only one other line.
A hexagon.
A kite.
A parallelogram is a figure with parallel sides. For instance, a square is a parallelogram because its sides are parallel.
The answer is parallel because a parallel has 2 sided figure.
cylinder
It is a cylinder.
CIRCLE
no.
parallelogramrectanglesquare
If both sides are parallel, the figure can be a square, rectangle, rhombus, or parallelogram. If only one side is parallel, the figure can be a trapezoid, or isosceles trapezoid. In Britain, trapezoids are called trapeziums.
A trapezoid only has only two parallel sides.
A triangle cannot have two parallel sides. In order for a figure to be a triangle, it must be a closed figure with three sides and three angles. If two of the sides were parallel, there is no way the figure could be closed by only one other line.
A square.
quadrilateral
A Quadrilateral.