"In geometry, a circular segment (symbol: ⌓) is a region of a circle which is "cut off" from the rest of the circle by a secant or a chord. More formally, a circular segment is a region of two-dimensional space that is bounded by an arc (of less than Π radians by convention) of a circle and by the chord connecting the endpoints of the arc." - (en.wikipedia.org 27.04.2021)
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