Question

Why is angle measurementdonebin radians rather rhen degree?

Answer 1

Because the SI unit of measure of angle i.e; thieta is radians that is why the standard value for doing calculations is preffered in radians. Sometimes we can be okay with degree too.

Answer 2

Radians probably were developed because mathematicians wanted to relate the angle measure more to the radius or size of the circle. A radian is much bigger than a degree. ... A radian is almost 1/6 of a circle — it's a little more than 57 degrees.