What special name can be given to a quadrilateral PQRS If `angle P + angle S=180^(@)`?

What special name can be given to a quadrilateral whose all angles are equal?

Can a quadrilateral ABCD be a parallelogram, if angleD + angleB = 180^@ ?

Can a quadrilateral ABCD be a parallelogram if : angle D+angleB=180^@ ?

Can you construct the above quadrilateral PQRS ,if we have an angle of 100^(@) at P instead of 75^(@) Give reason.

In the given quadrilateral KITE, name all the pairs of adjacent angles

In the given quadrilateral KITE, name all the pairs of opposite angles

In quadrilateral ABCD, angleA+angleD= 180^(@) . What special name can be given to this quadrilateral?

In quadrilateral ABCD, angleA+angleD= 180^(@) . What special name can be given to this quadrilateral?