Whatever you like. For simplicity, though, it is best to stick with something small.
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
There are a number of different angles and distances. The angles and distances are particular to the subjects that they are based off of.
Different pairs of angles have different names.
quadralaterals have 4 equal sides and angles
obtuse and acute , straight and a right angle.