Rectangles are made up of 2 sets of parallel lines, which are perpendicular to one another.
a cross
Square
A regular decagon would have five sets or parallel lines.
parallelogram
any rhombus
Rectangles are made up of 2 sets of parallel lines, which are perpendicular to one another.
a cross
A hexagon.
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A square has both parallel and perpendicular symmetry. It is composed of two sets of parallel lines that meet at perpendicular angles.
rectangle
An Octogon
A square.
Square
There can be no such shape.
A square or rectangle has two sets of parallel lines. Stop signs technically have 4 short sets o parallel lines. Hexagon could have 3 sets, etc. All of which are polygons, though not all polygons have parallel lines.