-- trapezoid
-- triangle
-- irregular quadrilateral
-- pentagon
-- hexagon
etc.
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A parallellogram is a special type of polygon and a special type of quadrilateral.
A quadrilateral is a polygon ("many angled") with 4 sides that intersect. Since a circle doesn't have any sides, it cannot be a polygon. A square, a trapezoid, a parallellogram, a rhombus, or a rectangle would all be examples of shapes that ARE polygons.
Add up the 4 sides together
the answer seem not to be found but I say is base times hiegth
A rhombus or rhombis a quadrilateral whose four sides all have the same length - wikipediaA parallellogram doesn't need to have sides of the same length. Only the parallel sides have to be equally long.So the answer is noA rhombus will always be a parallellogram though.