A reflex angle.
It is called a supplementary angle.
This type of angle is called a 'revoloution angle'.
It could be called angle C, as long as that name is unambiguous.
It is called a reflex angle.
It is just called a "central angle".
its called a right angle!
An angle which measure exactly 90 degrees is called a right angle.
There is not a special name. You simply use the name for the angle which is left after you subtract 360 degrees from the angle.
I think it is just called the right angle symbol
It is called the right angle! Smart one!
Any angle past 90 degrees is called an obtuse angle.
An angle less than 90 degrees is called an acute angle.