They are acute, right, obtuse and reflex angles
Yes, they do exist. And the question is ... ?
opposite angles in which type of quadrilateral?
It all depends what type of shape your talking about.
5 angles, of course
Equal angles.
If you mean interior angles of 2800 degrees then no such polygon exist because one of its sides woud not meet up with another side.
The object you describe doesn't exist.
None. The angles do not exist and so there are no problems caused.
Yes, they do exist. And the question is ... ?
opposite angles in which type of quadrilateral?
It all depends what type of shape your talking about.
5 angles, of course
Equal angles.
It has two right angles
90 degrees angles or right angles.
It has 4 90 degree angles.
yes