Which angle has a positive measure? On a coordinate plane, a ray moves counter-clockwise to form an angle. On a coordinate plane
, a ray moves clockwise to form an angle. On a coordinate plane, a ray moves clockwise to form an angle. On a coordinate plane, a ray moves clockwise to form an angle.
The measure of an angle formed by a counterclockwise rotation is indicated by a positive number. The measure of an angle formed by a clockwise rotation is indicated by a negative number.
