Yes. A rectangular screen. a rectangular door and windows, a lampshade made of pentagons (forming a dodecahedron).
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Quadrilaterals, pentagons, triangles, octagons, hexagons, decagons.
Well if your looking for examples, One is a soccer ball
If you mean a 4-sided polygon, then that is a quadrilateral. See related link for more information on polygons.
Potential answers: shapes, polygons, quadrilaterals [four-sided polygons], parallelograms [quadrilaterals with opposite sides of the same length and parallel to each other].
See the link for a worksheet.