Central Angle

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central angle

[′sen·trəl ′aŋ·gəl]
In a circle, an angle whose sides are radii of the circle.

Central Angle


an angle formed by two radii of a circle. In Figure 1 angle AOB is a central angle. The number of degrees in

Figure 1

a central angle is equal to the number of degrees in the intercepted arc.

References in periodicals archive ?
These observations might be of mere academic interest except that studies have shown that not all observers interpret pie charts in the same way, One study, for example, found that 51 percent of pie chart viewers focused on the arcs of their sectors, 23 percent evaluated them according to their central angles, and only 25 percent interpreted them according to their areas.

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