This math topic emphasizes the conversion of angles measured in radians into degrees. Each problem supplies an angle in radians and asks the learner to determine the equivalent measure in degrees, presenting multiple-choice answers. The problems range from simple multiples of π, like π/2 or 3π/4, to fractions of π like π/4. The topic leverages these conversion exercises to solidify understanding of radian to degree measurement, situating the problems within the broader context of learning about complex numbers.