Quadrilateral.
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No but they are all quadrilaterals
A rhombus, a parallelogram, and a rectangle, are different examples of quadrilaterals, that is, four-sided shapes.
They are endecagons (or hendecagons).
A regular quadrilateral is a a four sided shape that has all of its sides equal in length. There are two shapes that satisfy these conditions, a square and a rhombus.
All 7 sided shapes are called heptagons.