These things are merely conventions; and the historian looking at very old technical works assumes nothing about which way measurements are taken or displayed. Conventions help people understand descriptions and drawings more easily. Nature is not usually concerned with these things and will work fine if all the directions were reversed.
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Angles and radians are measured counterclockwise because of mathematical convention. This convention has been established to provide consistency and uniformity in mathematical calculations and representations. It helps to simplify mathematical concepts and makes it easier to relate angles to other mathematical constructs such as trigonometric functions.
Angles are measured in degrees or in radians, but not in centimeters.Angles are measured in degrees or in radians, but not in centimeters.Angles are measured in degrees or in radians, but not in centimeters.Angles are measured in degrees or in radians, but not in centimeters.
The angles measured in radians are about 57.3 degrees. A measurement of an angle in radians is equal to the length of its corresponding arc in the circle.
Degrees or Radians
Angles are usually measured in degrees. They can also be measured in radians.
No they do not unless it is a circle with radius (180/pi) and the angles are measured in degrees, or a circle with radius (1/pi) and the angles are measured in radians.