0
YES.
If zero is established for a system that is revolving in a certain direction and the amount revolved is required in radians, then if the direction of rotation is reversed and the system rotates beyond zero the amount becomes negative.
For circumstances where a simple angular measurement is required of a static system then it would be highly unusual for a negative radian measure to be seen.
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Radian measure of 120 degree angle?
2.094
How many meters in a radian?
Meter is a unit of length. Radian is a unit of angle. They don't relate.
What is radian measure?
A unit of angular measure equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57°17'44.6"
Are reference angles and radians the same?
No. A radian is a measure of an angle, it is not, itself, an angle. Degrees and radians are measures of angles and the two measures are related by the following conversion: 180 degrees = pi radians
What is the measure of the central angle of a circle with a radius 5 m that intercepts a 2 m arc using 3.14 as pi?
arc = radius x angle 2 = 5 x angle angle = 2/5 = 0.4 radian = 0.4 /180/3.14 = 22.9 degrees
