obtuse and acute , straight and a right angle.
Acute angles do not have specific names.
There are no angles: the only intersections are of curves.
Complimentary angles.
equal angle
They do not have any special names.
MunkarNakir
180 degrees i believe
a rhombus
Different pairs of angles have different names.
quadralaterals have 4 equal sides and angles
They can have any name that you want!
Obtuse, acute, straight, and right angle.