FAQ

What is the Central Angle?
A central angle is an angle whose apex (vertex) is the center O of a circle and whose legs (sides) are radii intersecting the circle in two distinct points A and B. Central Angle is usually measured using the Degree for Angle. Note that the value of Central Angle is always positive. Typically, the value of Central Angle lies in the range from 0 to 360.
Can the Central Angle be negative?
No, the Central Angle, measured in Angle cannot be negative.
What unit is used to measure Central Angle?
Central Angle is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which Central Angle can be measured.
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