A parallelogram is a quadrilateral with two sets of opposite sides.
Other than a rectangle (or a square), this would be a rhombus or diamond shape.
A quadrilateral with only one set of parallel sides is a trapezoid (trapezium in the UK).
hexogon
rectangle
A square and a rhombus
rectangle, square, parlellogram
rectangle
A square or rectangle.
Any shape with at least two straight sides can have opposite parallel and congruent sides. For example, a running track.
Its opposite sides are parallel.
Yes opposite sides are parallel in a rectangle
Rectangle
A square, a rectangle or a rhombus !
Rectangle (squares too)