There's no general rule. The only thing you can say about the angles in
a quadrilateral is that all 4 of them always add up to 360 degrees.
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It can have 0 or 2 right angles, 1 or 2 acute or obtuse angles.
It has 2 equal opposite acute angles and 2 equal opposite obtuse angles and the 4 angles add up to 360 degrees
A rhombus will either have four right angles, or two acute angles and two obtuse angles.
If it is a 'regular' hexagon, then all angles are congruent, and all are obtuse.
There can be 4 different acute angles in an irregular 4 sided quadrilateral that all add up to 360 degrees.