Answer :

 polygon(closed figure), a parallelogram(2 pairs of parallel sides). a quadrilateral (4 sided), Hope this is sufficient enough :)
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A rectangle can be called a:
1) quadrilateral because it is 4 sided.
2) polygon because it is a closed figure with at least 3 sides.
3) parallelogram because it has 2 pairs of sides that are parallel.

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