Question

the unit of angle is​

Answer 1

Answer:

radian

The SI derived unit of angle is the radian, which is defined as the angle for which the radius equals the arclength.

Answer 2

Answer:

degrees

The concept of angle

There are two commonly used units of measurement for angles. The more familiar unit of measurement is that of degrees. A circle is divided into 360 equal degrees, so that a right angle is 90°.