1/4
It is between a quarter and a half turn.
180 degrees is 1/2 of a complete turn
Either a straight angle (180 deg) or no turn at all (0 deg).
It is degrees that are fraction
It is a fraction between 1/4 and 1/2.
A full turn of 360 degrees
It is 4/1.
A right angle (L) is 90 degrees. A straight angle (_) is 180 degrees.
It is 60/360 = 1/6 of a whole turn.
It is a complete turn of 360 degrees which is the maximum value of a reflex angle
3/4