Answera polygon that has two right angles and one set of parallel lines is a hexagon
A polygon with 4 or more sides can meet these requirements.
A parallelogram has 2 pairs of parallel sides.
A pallelogram or rhombus
A rhombus or a parallelogram
That would be a right trapezoid.
A parallelogram is a four sided polygon with opposing parallel sides of equal length. Then if it has four right angles, the polygon becomes a rectangle.
it's a trapezoid
I don't think any shape will fit this description. Do you mean 4 right angles?
A rectangle is a four sided polygon with four right angles and two pairs of parallel side. [Equal sides is not required since it is implied by parallel and right angles].
It would be a rectangle.