Answer:
dont know sorry i wish i could help you use the internet
Step-by-step explanation:
The answer to your question is Y
Radian: is the standard unit of angular measure, used in many areas of mathmatics.
degree: is a measuement of plane angle, defined by representing a full rotation as 360 degrees.
Both are two units for measuring angles. There are at least four such units, but degrees and radians are most likely to encounter high school and college.
Answer:Lines HF and DE
Step-by-step explanation: