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A rhombus.
It could be a trapezoid having 2 right angles, an obtuse angle and an acute angle
A regular polygon of n sides (where n > 4) has n obtuse angles. Since there is no limit to the number of sides that a polygon can have, there can be no limit to the number of obtuse angles in a shape.
Irregular Rhombus
A trapezoid can have 2 right angles, 1 acute angle and 1 obtuse angle that all add up to 360 degrees and it has a pair of parallel sides.